Question

find the value of x:-​

Answer 1

Answer:

X = 70°

Step-by-step explanation:

Given, angle 1 = 90°

Angle 2 = 20°

To find, angle 3 = x°

Applying angle sum property,

Angle 1+ angle 2 + angle 3 = 180°

90° + 20° + x = 180°

110° + x = 180°

X = 180° - 110°

X = 70°

Answer 2

Answer:

One angle is 90 degree and the other one is 20 degree

So by angle sum property of triangle

90+20+x = 180

x = 180-110

x = 70

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