Asked by Sulaksha

An arc subtends an angle 15 degrees at the centre of the circle. If the radius is 4 centimetres, find the area of the sector?

14 years ago

Answered by Reiny

area of whole circle = 16π cm^2
15° = 1/24 of a rotation, so the are of the sector is
(1/24)(16π) = 2π/3 cm^2

14 years ago

Answered by Sulaksha

Thanks Reiny. it was simpl right?

14 years ago

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