Question

One of the exterior angle is 100 degree. The interior opposite angles are equal to each other. Find the measures of these equal interior opposite angles

Answer 1

Given , two interior opp. angles are equal to each other.
so, let one interior angle be x.
then,
x+x=100( sum of two interior opp. angles is equal to its exterior angle)
2x=100
x=100/2
×=50
Hence, the measure of interior opp. angle is 50°

Answer 2

2 interior opposite angles=exterior angle
x+x=100
2x=100
x=50
Measure of each interior angle will be 50
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