Circular arc
Calculate the center angle and length of the circular arc if the radius r = 21 cm and the area of the slice is 328.5 cm2
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- planimetrics
- area of a shape
- perimeter
- circular sector
- circular arc
- circular segment
- numbers
- fractions
Units of physical quantities:
Grade of the word problem:
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