Mathematics · Mensuration
The side of a regular octagon is half the side of a regular quadrilateral (square). If the perimeter of the quadrilateral is 20 cm, what is the perimeter of the octagon?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 140 cm
- 230 cm
- 320 cm✓
- 410 cm
Correct answer
20 cm
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