Question

the angle oa a traingle are in the ratio 5 6 7. find each angles

Answer 1

5u + 6u + 7u = 18u

18u = 180 degrees (180 degrees in a triangle)

1u = 180 / 18 = 10

5u = 10 x 5 = 50

6u = 10 x 6 = 60

7u = 10 x 7 = 70

The angles are 50 degrees, 60 degrees, and 70 degrees respectively.

Answer 2

Let the angles be 5x , 6x and 7x

sum of the angles of a triangle = 180

5x + 6x + 7x = 180

18x = 180

x = 10

First angle = 5 * 10 = 50

Second angle = 6 *10 = 60

Third angle = 7 * 10 = 70

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