Question

The angles of a triangle are in the ratio 3:5 : 7. Find the measure of each an
triangle.​

Answer 1

Answer:

let the angles be 3x,5x and 7x

3x+5x+7x=180°(Angle sum property of a triangle)

15x=180°

x=180/15

x=12°

Therefore,

Angles=3x=3*12=36°

5x=5*12=60°

7x=7*12=84°

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Answer 2

Let all the angles be x

So the angles are

3x , 5x and 7x

3x + 5x +7x = 180 (angle sum property of triangle)

15x = 180

x = 180/15

x = 12

3x = 3 × 12 = 36

5x = 5 × 12 = 60

7x = 7 × 12 = 84

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