Question

An external angle of a triangle is 80°. Which of the following could be a value of one of its opposite interior angles?
50
100
120
80

Answer 1

Answer:

YOUR ANSWER<<<

Let both the angles be x and y

External angle = sum of opposite interior angles

80° = x + y

any of the angles(x and y) can't be more than 80°

so , 100° , 120 ° , 80° can't be the values of any of the angles x and y

so , the answer of the ques is 50°

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