Math, asked by avijitmandal1971, 10 days ago


9. If one angle of a triangle is equal to the sum of the other two show that the triangle is
right-angled
Hint. LA = 2B + 2C
LA+LA+LA+LB+LC =180°

Answers

Answered by doraemonshinchan79
0

ABCDEFGHIJKLMNOPQRSTUVWXYZ

Answered by jafitameribel
1
90 is the answer
If it helps you mark me as brainliest
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