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