Question

Three angles of trangles are in the ratio 3:4:5. Find the measure of each of the three angles. What type of triangle is it ?​

Answer 1

Step-by-step explanation:

divide both sides of this equation by 12 and you get x = 180 / 12 = 15 degrees. this means that the 3x angles is equal to 45 degrees and the 4x angle is equal to 60 degrees and the 5x angle is equal to 75 degrees. 45 + 60 + 75 = 180 degrees so we're good there.

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Answer 2

let the angle = x

3x+4x+5x = 180°

12x = 180°

x = 180°÷ 12

x = 15

3x = 3×15 = 45°

4x = 4×15 = 60°

5x = 5×15 = 75°