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B. Solve the following problems.
1. Find the sum of the interior angle of an octagon.
2. Find the sum of the interior angle of a decagon.
3. If a quadrilateral's angle like m_1 = 110°, m_2 = 80°, and m23 = 93° are given,
what is the measure of 24?
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4. What is the measure of one of the interior angles of hexagon?
5. If a polygon has five sides, what is the measure of one of its interior angles?
Answers & Comments
Answer:
1) 180°
2) 1080°
3) 360°
4) 120°
5) (n-2) 180
Step-by-step explanation:
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