Question

find angles of a triangle if angles are in the ratio 9:7:2
type answer​

Answer 1

Answer:

Let the angles be 9x 7x anf 2x

9x + 7x + 2x = 180

18x = 180

x = 180/80

x = 10

9x = 9 x 10 = 90

7x = 7 x 10 =70

2x = 2 x 10 = 20

Angles are 90, 70 and 20

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Answer 2

Let angles be = 9x,7x,2x
18x = 180 degrees
x = 10 degrees
Angles are 90 degrees,70 degrees,20 degrees
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