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The Baudhayana-Pythagoras Theorem

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Doubling a Square

Subtopic

Doubling a Square under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If a square has side 7 m, the area of the square that doubles it is:

    A.

    49 m2^2

    B.

    98 m2^2

    C.

    147 m2^2

    D.

    196 m2^2

  2. 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. 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.

    50\sqrt{50} cm

    D.

    5 cm

Download the worksheet for The Baudhayana-Pythagoras Theorem - Doubling a Square to practice offline. It includes additional chapter-level practice questions.

Halving a Square

Subtopic

Halving a Square under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following values represents the diagonal of a square with side 55 units?

    A.

    55

    B.

    1010

    C.

    50\sqrt{50}

    D.

    5\sqrt{5}

  2. 2.

    A right-angled triangle is formed by halving a square of side aa. What is the length of the hypotenuse?

    A.

    aa

    B.

    2a2a

    C.

    2a\sqrt{2}a

    D.

    a2a^2

  3. 3.

    What is the ratio of the side of a square to its diagonal?

    A.

    1:11 : 1

    B.

    1:21 : 2

    C.

    1:21 : \sqrt{2}

    D.

    2:1\sqrt{2} : 1

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

Subtopic

Hypotenuse of an Isosceles Right Triangle under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 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. 2.

    If the equal sides of an isosceles right triangle are ss, the area is 12s2\frac{1}{2}s^2. If s=2s=2, find the hypotenuse.

    A.

    2

    B.

    4

    C.

    222\sqrt{2}

    D.

    8

  3. 3.

    A ladder is leaning against a wall making an angle of 45∘45^\circ 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.

    323\sqrt{2} m

    C.

    6 m

    D.

    4.5 m

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

Subtopic

Combining Two Different Squares under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In a triangle with sides 7,24,7, 24, and 2525, what type of triangle is it?

    A.

    Acute

    B.

    Obtuse

    C.

    Right-angled

    D.

    Equilateral

  2. 2.

    If the legs of a right triangle are equal and the hypotenuse is 10210\sqrt{2} units, what is the length of each leg?

    A.

    1010 units

    B.

    55 units

    C.

    2020 units

    D.

    100100 units

  3. 3.

    Two squares with side lengths 66 cm and 88 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.

    1414 cm

    B.

    1010 cm

    C.

    22 cm

    D.

    100100 cm

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

Subtopic

Right-Triangles Having Integer Sidelengths under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The smallest member of a Pythagorean triplet is 88. Find the other two members.

    A.

    10,1210, 12

    B.

    15,1715, 17

    C.

    12,1512, 15

    D.

    9,109, 10

  2. 2.

    In a right triangle, the two legs are 1515 m and 2020 m. What is the hypotenuse?

    A.

    2222 m

    B.

    2525 m

    C.

    3030 m

    D.

    3535 m

  3. 3.

    A rectangle has a length of 2424 units and a diagonal of 2525 units. Find its width.

    A.

    55 units

    B.

    66 units

    C.

    77 units

    D.

    88 units

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

Subtopic

A Long-Standing Open Problem under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If the sides of a triangle are 9 cm9\text{ cm}, 40 cm40\text{ cm}, and 41 cm41\text{ cm}, is it a right-angled triangle?

    A.

    Yes, because 92+402=4129^2 + 40^2 = 41^2

    B.

    No, because 9+40≠419 + 40 \neq 41

    C.

    Yes, because 9×40=3609 \times 40 = 360

    D.

    No, because 4141 is odd

  2. 2.

    Which of the following is the correct statement of the Baudhayana-Pythagoras theorem for the triangle shown?

    A.

    p2+q2=r2p^2 + q^2 = r^2

    B.

    p+q=rp + q = r

    C.

    p2−q2=r2p^2 - q^2 = r^2

    D.

    r2+p2=q2r^2 + p^2 = q^2

  3. 3.

    In a right triangle, the two legs are 20 cm20\text{ cm} and 21 cm21\text{ cm}. What is the hypotenuse?

    A.

    29 cm29\text{ cm}

    B.

    41 cm41\text{ cm}

    C.

    31 cm31\text{ cm}

    D.

    25 cm25\text{ cm}

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

Subtopic

Further Applications of the Baudhāyana-Pythagoras Theorem under The Baudhayana-Pythagoras Theorem for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Find the length of the hypotenuse of a right-angled triangle whose other two sides are 1212 cm and 3535 cm.

    A.

    3737 cm

    B.

    4747 cm

    C.

    3939 cm

    D.

    4141 cm

  2. 2.

    A 1010 m long ladder reached a window 88 m high from the ground on placing it against a wall at a distance aa. Find the value of aa.

    A.

    66 m

    B.

    22 m

    C.

    1818 m

    D.

    6464 m

  3. 3.

    A rectangular swimming pool is 1212 m long and 55 m wide. What is the distance between two opposite corners of the pool?

    A.

    1313 m

    B.

    1717 m

    C.

    1515 m

    D.

    1414 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.

The Baudhayana-Pythagoras Theorem Class 8 Worksheet with Answers