Question

9. In a triangle, the ratio of angles is 3 : 7 : 5. Find the measure of all the angles?

Answer 1

Answer:

3x+7x+5x=180

15x=180

x=180÷15

x=12

3x= 3×12= 36

7x= 7×12= 24

5x= 5×12= 60

Answer 2

Answer:

angel I=36°

angle ll=84°

angle lll=60°

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