Regular 5-gon
Calculate the area of the regular pentagon with side 16 cm.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- planimetrics
- right triangle
- polygon
- area of a shape
- triangle
- numbers
- real numbers
- goniometry and trigonometry
- sine
- cosine
- tangent
- cotangent
Units of physical quantities:
Grade of the word problem:
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