Regular n-gon
Which regular polygon has a radius of circumscribed circle r = 10 cm and the radius of inscribed circle p = 9.962 cm?
Correct answer:

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You need to know the following knowledge to solve this word math problem:
- planimetrics
- Pythagorean theorem
- right triangle
- circle
- polygon
- triangle
- goniometry and trigonometry
- sine
- cosine
- tangent
Units of physical quantities:
Grade of the word problem:
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