Asked by properties of triangle
if one angle of a triangle is equal to the sum of the other two,show that the triangle is a right triangle.
Answers
Answered by
drwls
A = B + C
A + B + C = 180
Now substitute A for B + C in the second equation.
2A = 180
A = 90 is the right angle
A + B + C = 180
Now substitute A for B + C in the second equation.
2A = 180
A = 90 is the right angle
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