Decagon
Calculate the area and circumference of the regular decagon when its radius of a circle circumscribing is R = 1m
Correct answer:
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Do you want to convert length units?
See also our trigonometric triangle calculator.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.
You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- planimetrics
- Pythagorean theorem
- right triangle
- circle
- polygon
- area of a shape
- perimeter
- triangle
- goniometry and trigonometry
- sine
Units of physical quantities:
Grade of the word problem:
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