Question

in Δ ABC, if angle A: angleB: angle C =2:5:2,then find all the angles of triangle ABC
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Answer 1

Answer:

A=40 , B=100 C=40

Step-by-step explanation:

A=2x B=5x , 2x

2x + 5x + 2x=180

9x=180

x=20

therefore

A=40 , B=100 C=40