The area of the circle is 90. Find the area of the sector of this circle whose central angle is.
| February 8, 2021 | education
The center angle in the circle is 360 degrees. If we select a sector whose central angle is 60 degrees, then it is 60/360, that is, 1/6 of the entire area of the circle. Therefore, if the area of the whole circle is 90, then the area of the selected sector will be 90 * 1/6 = 15.
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