The Baudhayana-Pythagoras Theorem
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Doubling a Square
SubtopicDoubling a Square under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.
Preview questions (no answers)
- 1.
If a square has side 7 m, the area of the square that doubles it is:
A.49 m
B.98 m
C.147 m
D.196 m
- 2.
Which ancient Indian text contains the earliest statement of the theorem used to double a square?
A.Aryabhatiya
B.Baudhayana Sulba Sutra
C.Lilavati
D.Brahmasphutasiddhanta
- 3.
If the area of a square is 50 sq cm, what is the length of its side?
A.25 cm
B.10 cm
C.cm
D.5 cm
- 4.
What is the area of a square with a diagonal of length units?
A.18 sq units
B.9 sq units
C.36 sq units
D.4.5 sq units
- 5.
The diagonal of a square is equal to the side of square . If the area of square is 12, what is the area of square ?
A.6
B.12
C.24
D.48
- 6.
If the side of a square is , what is the area of the square that 'doubles' it?
A.B.C.D. - 7.
A square field has an area of 200 m. A path is to be made along its diagonal. What is the length of this path?
A.10 m
B.20 m
C.m
D.m
- 8.
A square tile has a diagonal of length . If we need to cover a floor area that is exactly times the area of this tile using a single large square slab, what must be the side length of that slab?
A.B.C.D. - 9.
An architect is designing a square plaza. The inner zone is a square of side . The outer zone is a square walk-way such that the total area (inner zone + walk-way) is exactly double the inner zone. If the diagonal of the total plaza is meters, find the area of the inner zone.
A.B.C.D. - 10.
Given a square with side , a second square is constructed on its diagonal. A third square is then constructed such that its area is the sum of the areas of the first two squares. What is the side length of the third square in terms of ?
A.B.C.D.
Download the worksheet for The Baudhayana-Pythagoras Theorem - Doubling a Square to practice offline. It includes additional chapter-level practice questions.
Halving a Square
SubtopicHalving a Square under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Which of the following values represents the diagonal of a square with side units?
A.B.C.D. - 2.
A right-angled triangle is formed by halving a square of side . What is the length of the hypotenuse?
A.B.C.D. - 3.
What is the ratio of the side of a square to its diagonal?
A.B.C.D. - 4.
If the side of a square is increased from to , how does the area change?
A.Remains same
B.Increases by
C.Doubles
D.Triples
- 5.
If the square of the diagonal of a square is sq units, what is the area of the square?
A.sq units
B.sq units
C.sq units
D.sq units
- 6.
If the side of a square is doubled, by what factor does the length of its diagonal increase?
A.B.C.D.No change
- 7.
In a square , diagonal cm. What is the area of ?
A.sq cm
B.sq cm
C.sq cm
D.sq cm
- 8.
A square tile is halved by joining midpoints of adjacent sides to form a smaller square. If the diagonal of the smaller square is , what was the area of the original larger tile?
A.B.C.D. - 9.
A large square has an area of . A sequence of squares is formed such that each subsequent square's vertices are the midpoints of the previous square. If the sum of the areas of the first three squares in this sequence is , find the side length of the first square.
A.B.C.D. - 10.
In a square with side , points are midpoints of respectively. If a point is chosen at random inside square , what is the probability that lies inside the square ?
A.B.C.D.
Download the worksheet for The Baudhayana-Pythagoras Theorem - Halving a Square to practice offline. It includes additional chapter-level practice questions.
Hypotenuse of an Isosceles Right Triangle
SubtopicHypotenuse of an Isosceles Right Triangle under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.
Preview questions (no answers)
- 1.
In an isosceles right triangle, the hypotenuse squared is equal to how many times the square of one of the equal sides?
A.1
B.2
C.3
D.4
- 2.
If the equal sides of an isosceles right triangle are , the area is . If , find the hypotenuse.
A.2
B.4
C.D.8
- 3.
A ladder is leaning against a wall making an angle of with the ground. If the foot of the ladder is 3 m away from the wall, how long is the ladder?
A.3 m
B.m
C.6 m
D.4.5 m
- 4.
In an isosceles right triangle, if the side opposite to the angle is cm, what is the length of each of the other two sides?
A.4 cm
B.8 cm
C.16 cm
D.2 cm
- 5.
Find the length of the hypotenuse of an isosceles right triangle if the sum of the squares of all three sides is 100 cm.
A.cm
B.cm
C.50 cm
D.10 cm
- 6.
The perimeter of an isosceles right triangle is meters. What is the length of its hypotenuse?
A.1 m
B.m
C.2 m
D.0.5 m
- 7.
If the length of each side of an isosceles right triangle is increased by a factor of , by what factor does the hypotenuse increase?
A.2
B.C.4
D.1
- 8.
A flagpole is secured by a wire that forms an isosceles right triangle with the ground and the pole. If the wire is attached to the ground meters away from the base of the pole, how long is the wire?
A.meters
B.meters
C.meters
D.meters
- 9.
An artist creates a mosaic using small tiles in the shape of isosceles right triangles. If the hypotenuse of each tile is cm, what is the length of the equal sides of each tile?
A.cm
B.cm
C.cm
D.cm
- 10.
A right isosceles triangle has a perimeter of cm. What is the length of its hypotenuse?
A.cm
B.cm
C.cm
D.cm
Download the worksheet for The Baudhayana-Pythagoras Theorem - Hypotenuse of an Isosceles Right Triangle to practice offline. It includes additional chapter-level practice questions.
Combining Two Different Squares
SubtopicCombining Two Different Squares under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.
Preview questions (no answers)
- 1.
In a triangle with sides and , what type of triangle is it?
A.Acute
B.Obtuse
C.Right-angled
D.Equilateral
- 2.
If the legs of a right triangle are equal and the hypotenuse is units, what is the length of each leg?
A.units
B.units
C.units
D.units
- 3.
Two squares with side lengths cm and cm are combined to form a single larger square. What is the side length of the new square if its area is the sum of the areas of the original two?
A.cm
B.cm
C.cm
D.cm
- 4.
A wire is attached to the top of a m pole and anchored to the ground m from the base. How long is the wire?
A.m
B.m
C.m
D.m
- 5.
A right triangle has a hypotenuse of cm. If the ratio of its legs is , find the length of the shorter leg.
A.cm
B.cm
C.cm
D.cm
- 6.
If the side of an equilateral triangle is , find its altitude using the Baudhayana-Pythagoras theorem.
A.B.C.D. - 7.
What is the area of a square built on the hypotenuse of a right triangle with legs of cm and cm?
A.B.C.D. - 8.
An artisan is creating a mosaic where a large square tile is formed by the combined area of two smaller square tiles. The side of the first small square tile is cm. The side of the large square tile is cm. If the artisan needs to find the perimeter of the second small square tile used in the combination, what is its value?
A.cm
B.cm
C.cm
D.cm
- 9.
A city planning committee wants to combine two square-shaped parks, Square and Square , into a single large square park, Square , such that the area of Square is exactly the sum of the areas of Square and Square . Square has a side length of m. The total length of the fencing required for Square is m. What is the side length of the newly formed Square ?
A.m
B.m
C.m
D.m
- 10.
A square sheet of metal has an area equal to the sum of the areas of two square sheets with side lengths and . If this larger sheet is then cut into smaller square pieces each of side , how many such pieces will be obtained?
A.B.C.D.
Download the worksheet for The Baudhayana-Pythagoras Theorem - Combining Two Different Squares to practice offline. It includes additional chapter-level practice questions.
Right-Triangles Having Integer Sidelengths
SubtopicRight-Triangles Having Integer Sidelengths under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.
Preview questions (no answers)
- 1.
The smallest member of a Pythagorean triplet is . Find the other two members.
A.B.C.D. - 2.
In a right triangle, the two legs are m and m. What is the hypotenuse?
A.m
B.m
C.m
D.m
- 3.
A rectangle has a length of units and a diagonal of units. Find its width.
A.units
B.units
C.units
D.units
- 4.
If a square has a side of cm, what is the length of its diagonal (approximate to nearest integer)?
A.cm
B.cm
C.cm
D.cm
- 5.
In a right triangle, the legs are in the ratio . If the hypotenuse is cm, find the length of the shorter leg.
A.cm
B.cm
C.cm
D.cm
- 6.
A ship sails km due North and then km due West. How far is it from the starting point?
A.km
B.km
C.km
D.km
- 7.
If a Pythagorean triplet is , what is the value of ?
A.B.C.D. - 8.
A rhombus has diagonals of lengths cm and cm. Find the perimeter of the rhombus.
A.cm
B.cm
C.cm
D.cm
- 9.
A room is m long, m wide, and m high. What is the length of the longest rod that can be placed in the room?
A.m
B.m
C.m
D.m
- 10.
In a square-shaped field of side m, a path runs diagonally from to . If a man walks from to and then to a point on such that m, how much further is he from point than he would be if he were at point ?
A.m
B.m
C.m
D.m
Download the worksheet for The Baudhayana-Pythagoras Theorem - Right-Triangles Having Integer Sidelengths to practice offline. It includes additional chapter-level practice questions.
A Long-Standing Open Problem
SubtopicA Long-Standing Open Problem under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.
Preview questions (no answers)
- 1.
If the sides of a triangle are , , and , is it a right-angled triangle?
A.Yes, because
B.No, because
C.Yes, because
D.No, because is odd
- 2.
Which of the following is the correct statement of the Baudhayana-Pythagoras theorem for the triangle shown?
A.B.C.D. - 3.
In a right triangle, the two legs are and . What is the hypotenuse?
A.B.C.D. - 4.
A rectangle has a length of and a diagonal of . What is its width?
A.B.C.D. - 5.
In a circle of radius , a chord is at a distance of from the center. What is the length of the chord?
A.B.C.D. - 6.
If the length of the hypotenuse of a right triangle is and the legs are and , find the value of .
A.B.C.D. - 7.
A square is inscribed in a circle of radius . What is the area of the square?
A.B.C.D. - 8.
A wire is attached to the top of a 15 m vertical pole and anchored to the ground 8 m from the base. If the wire is then moved to a 20 m pole and anchored such that the length of the wire remains the same, how far from the base of the new pole is the anchor point?
A.m
B.m
C.m
D.m
- 9.
A right triangle has a hypotenuse of length units and one leg units. If a new triangle is formed by doubling the length of both legs, what is the length of the new hypotenuse?
A.units
B.units
C.units
D.units
- 10.
A drone flies 8 km North, then 15 km East, and finally 12 km North again. How far is the drone from its starting point in a straight line?
A.km
B.km
C.km
D.km
Download the worksheet for The Baudhayana-Pythagoras Theorem - A Long-Standing Open Problem to practice offline. It includes additional chapter-level practice questions.
Further Applications of the Baudhāyana-Pythagoras Theorem
SubtopicFurther Applications of the Baudhāyana-Pythagoras Theorem under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Find the length of the hypotenuse of a right-angled triangle whose other two sides are cm and cm.
A.cm
B.cm
C.cm
D.cm
- 2.
A m long ladder reached a window m high from the ground on placing it against a wall at a distance . Find the value of .
A.m
B.m
C.m
D.m
- 3.
A rectangular swimming pool is m long and m wide. What is the distance between two opposite corners of the pool?
A.m
B.m
C.m
D.m
- 4.
A man goes m due East and then m due North. How far is he from the starting point?
A.m
B.m
C.m
D.m
- 5.
The perimeter of a right-angled triangle is cm and its hypotenuse is cm. Find the lengths of the other two sides.
A.cm, cm
B.cm, cm
C.cm, cm
D.cm, cm
- 6.
A rectangle has a width of cm and a diagonal of cm. Find its area.
A.cm
B.cm
C.cm
D.cm
- 7.
In triangle , cm and cm. Find the altitude from to .
A.cm
B.cm
C.cm
D.cm
- 8.
In triangle , . is the midpoint of . Which of the following relations is true based on the Baudhāyana-Pythagoras Theorem?
A.B.C.D. - 9.
A traveler starts at on a coordinate grid. He travels to , then to , and finally to . What is the shortest distance from his final position back to the starting point?
A.units
B.units
C.units
D.units
- 10.
Two buildings are meters apart. From a window meters high in the first building, the distance to a window in the second building is meters. What are the possible heights of the window in the second building?
A.m or m
B.m or m
C.m only
D.m or m
Download the worksheet for The Baudhayana-Pythagoras Theorem - Further Applications of the Baudhāyana-Pythagoras Theorem to practice offline. It includes additional chapter-level practice questions.