A dodecagon
Find the surface area of a regular 12-sided polygon if its side is a = 12 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
- fractions
- goniometry and trigonometry
- tangent
Units of physical quantities:
Grade of the word problem:
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