1.

an exterior angle of a triangle measures 135 and ots interior opposite angles are in the ratio 3:5. find the angles of the triangle.​

Answer»

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As we know that EXTERIOR angels = sum of the OPPOSITE interiors angles

so let the ratio be x

The first angle = 3x

SECOND angle= 5x

so now, 3x+5x=135

8x=135

x=135/8

x=16.875

so first angle = 3× 16.875 = 50.625 = 50.6

and second angle = 5× 16.875= 84.375= 84.4

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