Chapter 5 Parallel and Intersecting Lines - Part 3

A transversal crosses two parallel lines. One angle is 117°. What is the measure of its co-interior angle?

Type: MCQ • Marks: 1
A transversal crosses two parallel lines. One angle is 117°. What is the measure of its co-interior angle?
Options
A. 63°
B. 90°
C. 117°
D. 243°
Explanation
Co-interior (same-side interior) angles add to 180°, so the other is 63°.
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Class 7th Ganita Prakash 1

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