A transversal cuts two parallel lines. One angle is x° and its co-interior angle is 42°. Find x.

Type: MCQ • Marks: 1

A. 90°

B. 318°

C. 42°

D. 138°

Explanation

Co-interior angles are supplementary: x = 180° − 42° = 138°.

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Class 7th Ganita Prakash 1

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