In triangle ABC, side BC is produced to D. If ∠ACD = 105° and ∠B = 45°, find ∠A.

Type: MCQ • Marks: 1

A. 50°

B. 75°

C. 70°

D. 60°

Explanation

∠ACD = ∠A + ∠B => 105° = ∠A + 45° => ∠A = 60°.

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Class 7th Ganita Prakash 1

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