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Class 8 maths · L.1 · Angles and polygons

Corresponding angles and parallel lines

Parallel lines cut by a transversal make equal angles (corresponding, alternate, vertical) and angles that add to 180° (straight line, co-interior).

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  1. Two parallel lines are cut by a transversal. One angle measures 37°. What is the measure of an angle that is its corresponding angle?

    Answer: 37

  2. Two parallel lines are cut by a transversal. One angle measures 99°. What is the measure of an angle that is its corresponding angle?

    Answer: 99

  3. Two parallel lines are cut by a transversal. One angle measures 66°. What is the measure of an angle that is its corresponding angle?

    Answer: 66

Tip: Parallel lines cut by a transversal make equal angles (corresponding, alternate, vertical) and angles that add to 180° (straight line, co-interior).

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