Question

Simplify

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Answer 1

Answer:

I hope that it will help you

Answer 2

Answer:

Let common factor of ratio of angles is X.

Ratios are 2:3:5 given.

So, 2*X+3*X+5*x=180° — sum of three angles of a triangle.

Now,

10*X=180°

So, X=18°.

Hence angles are 36° , 54° and 90°.