A sector is cut from a circle of radius 21 cm. The angle of sector is 150°. The area of sector is
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Answered by
1
heyy.
your solution is as follows.
---> area of sector is = ∆r^2.
where ∆ is angle of sector in radians.
------> area of sector= {150*(π/180)}* 21^2.
----------> area = 1155.
your solution is as follows.
---> area of sector is = ∆r^2.
where ∆ is angle of sector in radians.
------> area of sector= {150*(π/180)}* 21^2.
----------> area = 1155.
Answered by
2
Area of sector = theta/360 * pi * r2
150/360 * 22/7 * 21 * 21
= 577.5 cm2
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