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Lines and Angles

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

Related Angles (Complementary, Supplementary, Adjacent, Linear Pair, Vertically Opposite)

Subtopic

Related Angles (Complementary, Supplementary, Adjacent, Linear Pair, Vertically Opposite) under Lines and Angles for Grade 7 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Two angles form a linear pair. If one is 75∘75^\circ, the other is:

    A.

    105∘105^\circ

    B.

    15∘15^\circ

    C.

    25∘25^\circ

    D.

    115∘115^\circ

  2. 2.

    If two lines intersect and one angle is 17∘17^\circ, what is its vertically opposite angle?

    A.

    163∘163^\circ

    B.

    73∘73^\circ

    C.

    17∘17^\circ

    D.

    90∘90^\circ

  3. 3.

    Find the supplement of 101∘101^\circ.

    A.

    89∘89^\circ

    B.

    11∘11^\circ

    C.

    79∘79^\circ

    D.

    9∘9^\circ

Download the worksheet for Lines and Angles - Related Angles (Complementary, Supplementary, Adjacent, Linear Pair, Vertically Opposite) to practice offline. It includes additional chapter-level practice questions.

Pairs of Lines (Intersecting, Transversal, Parallel)

Subtopic

Pairs of Lines (Intersecting, Transversal, Parallel) under Lines and Angles for Grade 7 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If two lines are cut by a transversal, the exterior angles on the opposite sides of the transversal are called:

    A.

    Alternate interior angles

    B.

    Alternate exterior angles

    C.

    Corresponding angles

    D.

    Co-interior angles

  2. 2.

    In the letter 'X', the pairs of angles that are non-adjacent are:

    A.

    Linear pairs

    B.

    Vertically opposite angles

    C.

    Adjacent angles

    D.

    Supplementary angles

  3. 3.

    If ∠4\angle 4 and ∠6\angle 6 are interior angles on the same side of the transversal for parallel lines, and ∠4=60∘\angle 4 = 60^\circ, what is ∠6\angle 6?

    A.

    60∘60^\circ

    B.

    120∘120^\circ

    C.

    180∘180^\circ

    D.

    30∘30^\circ

Download the worksheet for Lines and Angles - Pairs of Lines (Intersecting, Transversal, Parallel) to practice offline. It includes additional chapter-level practice questions.

Angles made by a Transversal

Subtopic

Angles made by a Transversal under Lines and Angles for Grade 7 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If two parallel lines are cut by a transversal and one angle is x∘x^\circ, how many of the other 7 angles are also x∘x^\circ?

    A.

    1

    B.

    2

    C.

    3

    D.

    4

  2. 2.

    Find the measure of an angle which is alternate interior to an angle of 50∘50^\circ when lines are parallel.

    A.

    130∘130^\circ

    B.

    50∘50^\circ

    C.

    180∘180^\circ

    D.

    40∘40^\circ

  3. 3.

    If a transversal intersects two lines such that the corresponding angles are not equal, then the lines are:

    A.

    Parallel

    B.

    Not parallel

    C.

    Perpendicular

    D.

    Coincident

Download the worksheet for Lines and Angles - Angles made by a Transversal to practice offline. It includes additional chapter-level practice questions.

Checking for Parallel Lines

Subtopic

Checking for Parallel Lines under Lines and Angles for Grade 7 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If two lines are cut by a transversal such that the sum of the interior angles on the same side is exactly two right angles, the lines are:

    A.

    Parallel

    B.

    Perpendicular

    C.

    Intersecting

    D.

    Convergent

  2. 2.

    If alternate interior angles are xx and 2x−60∘2x - 60^\circ, find xx for parallel lines.

    A.

    30

    B.

    60

    C.

    90

    D.

    120

  3. 3.

    If corresponding angles are 66∘66^\circ and 66∘66^\circ, the lines are:

    A.

    Parallel

    B.

    Intersecting

    C.

    Skew

    D.

    Perpendicular

Download the worksheet for Lines and Angles - Checking for Parallel Lines to practice offline. It includes additional chapter-level practice questions.