Math, asked by yuvraj5012, 1 year ago

one angle of an octagon is 100 degree The Other seven interior angles are equal to each other find the measure of each of its equal interior angles​

Answers

Answered by prernaraj
24
interior angle + exterior angle =180 degree
So, other interior angle = 180-100 =80 degree

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Answered by loonylaura26
4

Answer

140°

Step-by-step explanation:

Sum of all interior angles of an octagon :-

= (2n-4)×90

= (2(8)-4)×90

= (16-4)×90

= 12×90

= 1080°

Measure of other angles :-

100°+x+x+x+x+x+x+x = 1080°

100°+7x = 1080°

7x = 1080-100

7x = 980

x =  \frac{980}{7}

x = 140°

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