Question

The sum of two angles of a triangle is equal to the third angle if the difference
of the two angles is 50° then third angle is :
(a) 80°
(b) 90°
(c) 100°
(d) 70°
1.​

Answer 1

Answer:

80°

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Answer 2

Answer:

Let us assume, the angles are x,y,z where z is larger angle than x,y.

Sum of all angles in a triangle is 180°

So, x+y+z = 180° ___(1)

Given, x+y = z. Substitute in (1)

You get z= 90°

So, the third angle is 90°