Find x if angles around a point are 100°, 120°, 80°, and x°.

Type: MCQ • Marks: 1

A. 60°

B. 40°

C. 80°

D. 100°

Explanation

Sum = 360° => 100 + 120 + 80 + x = 360 => 300 + x = 360 => x = 60°.

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Class 7th Ganita Prakash 1

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