The angles of a triangle are in AP if the greatest angle equals the sum of the other two, find the angles
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let, the angles are a, b, c and greatest angle is a
so, a=b+c
a+b+c=180°
→a+a=180°
→2a=180°
→a=90°
the greatest angle is 90°
so, a=b+c
a+b+c=180°
→a+a=180°
→2a=180°
→a=90°
the greatest angle is 90°
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