Find x if two adjacent angles on a line are (5x + 4)° and (3x + 16)°.

Type: MCQ • Marks: 1

A. 25°

B. 20°

C. 15°

D. 18°

Explanation

(5x + 4) + (3x + 16) = 180 => 8x + 20 = 180 => 8x = 160 => x = 20°.

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Class 7th Ganita Prakash 1

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