17. Find angle sum of a convex polygon of 10 sides
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Answer:
1440
Step-by-step explanation:
The convex part doesn't matter as all decagons have the same sum of inner angles. The formula to find so is subtracting the number of sides by 2 then multiplying by 180 to get our answer
10 - 2 = 8 × 180 = 1440
Answer:
A decagon is a 10-sided polygon, with 10 interior angles, and 10 vertices which is where the sides meet. A regular decagon has 10 equal-length sides and equal-measure interior angles. Each angle measures 144° and they all add up to 1,440