Engineering Board Exam Reviewer · Polygons · medium
A regular decagon is inscribed in a circle of radius 10. Find the length of one side.
- 3.09
- 6.28
- 6.18
- 7.07
Answer
C. 6.18
Solution
Each side subtends a central angle of 36°. s=2r 18°=20 18° 6.18.
More Polygons questions
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