If one angle of a triangle is equal to the sum of the other two angles,
then the triangle is___________
please tell me hole process
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Answer:
Right angle triangle
There is a right angle triangle ABC
we know right angle of a triangle (C) = 90°
sum of 3 angles = A+B+C = 180°
= A+B+90° = 180°
A+B = 180° - 90°
A+B = 90° ( also Angle C = 90° )
A+B= C
so , one angle of a triangle is equal to the sum of the other to angles .
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