In a right-angled triangle, if one of the other two angles is 35°, fi – InterviewSolution

InterviewSolution

1.

In a right-angled triangle, if one of the other two angles is 35°, find the remaining angle.

Answer»

Let the angles be ∠A, ∠B and ∠C

Then ∠A = 90°,∠B = 35° and∠C = ?

∠A + ∠B + ∠C = 180°

90° + 35° + ∠C = 180°

125° + ∠C = 180°

∠C = 180° – 125° = 55°

∠C = 55°

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