If one angle of a triangle is equal to the sum of the other two, show that the triangle is a right triangle.
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According to question: anA =anB+anC
Now,anA+anB +anC=180°
anA + anA = 180°
2anA = 180°
anA = 90° ,
hence ,it is a right angle. ans
Now,anA+anB +anC=180°
anA + anA = 180°
2anA = 180°
anA = 90° ,
hence ,it is a right angle. ans
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