Question

if two angles of a triangle are equal and the third angle is 40 Degrees find the two angles

Answer 1

let the angle to be=x

A.T.Q.
x+x+40=180
2x=180-40
2x=140
x=180/2
x=70

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Answer 2

Let the number be x.

Therefore,

x + x + 40 = 180°

2x = 180 - 40

2x = 140

x = $\frac{140}{2}$

x = 70

Therefore the angle is of 70°