Chapter 7 A Tale of Three Intersecting Lines - Part 5

If an exterior angle is 135° and the adjacent interior angle is x, what is x?

Type: MCQ • Marks: 1
If an exterior angle is 135° and the adjacent interior angle is x, what is x?
Options
A. 35°
B. 90°
C. 55°
D. 45°
Explanation
An interior angle and its adjacent exterior angle form a linear pair (sum = 180°). So x = 180° - 135° = 45°.
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Class 7th Ganita Prakash 1

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