finding the area of a sector in a circle?
A sector of a circle has a central angle of 60°. Find the area of the sector if the radius of the circle is 21 mi.
answer should be in mi2
- 4 years agoFavorite Answer
The area of the entire circle is πr² = π·21² = 441π mi².
A 60° sector represents 60°/360°, or 1/6 of the circle.
Therefore, the area of the sector = 1/6 of 441π mi² = 147π/2 mi² ≈ 230.9 mi²
- Anonymous4 years ago
Area = pi r squared 60/360
= 22/7 x 21 x 21 x 1/6 = 231 mi sq