Find the area of a sector of circle of radius 21cm and central angle 120°
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Hey
Here is your answer,
Given data:
Radius ,r = 21 cm
Angle = 120
Area of the sector = angle / 360 πr square
= 120/360 x 22/7 x 21 x 21
= 1/3 x 22 x 3 x 21
= 22 x 21
= 462 cm sq
Here is your answer,
Given data:
Radius ,r = 21 cm
Angle = 120
Area of the sector = angle / 360 πr square
= 120/360 x 22/7 x 21 x 21
= 1/3 x 22 x 3 x 21
= 22 x 21
= 462 cm sq
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