Answer: x =
Step-by-step explanation:
The exterior angle of a triangle = sum of the opposite interior angle.
The interior angles given are : and
Which are opposite to x + 72
Therefore :
x + 72 = +
x + 72 =
x = -
x =
The polygon is a regular nonagon (9-sides). What is the sum of the interior angles? What is the measurement for each angle?
1 answer:
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