Question

Exterior angle of a triangle is 120 degree and one of interior opposite angle is 50 degree then other interior opposite angle will be

1.50 degree

2.90 degree

3. 110 degree

4.70 degree

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Answer 1

Answer:

110 degree

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Answer 2

Answer:

4. 70 degrees

Step-by-step explanation:

We know exterior angle = sum of opposite interior angles.

Hence,exterior angle=120

one of it's opposite interior angle = 50

According to the question,

120=50+x(Unknown opposite interior angle)

120-50=x

Hence,x= 70

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