Question

in triangle ABC, angle A is to angle B is to angle C = 3is to 4 is to 5. Find the measure of each angle of triangle ABC.​

Answer 1

Answer:

Ratio of Angles of triangle :- 3 : 4 : 5

Let the first angle be :- 3x

and the second angle be :- 4x

and the third angle be :- 5x

Sum of angles of triangle :- 180°

3x + 4x + 5x = 180°

12x = 180°

x = 180°/12

x = 15°

First angle :- 3x = 3 × 15 = 45°

Second angle :- 4x = 4 × 15 = 60°

Third angle :- 5x = 5 × 15 = 75°

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Answer 2

90* is the correct answer
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