Question

The second angle of a triangle is double the first. The third angle is 40 less than the first.Find the three angles.​

Answer 1

Answer:

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Answer 2

Let first angle be y

Second angle = 2y

Third angle = y-40

Sum of all angles = 180 (A.S.P)

y+2y+y-40 = 180

4y = 220

= y = 220/4 = 55

First angle       =  55 degrees

Second angle  = 2y = 2*55 = 110 degrees.

Third angle      = y - 40 = 55-40 = 15 degrees.

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