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Areas of Combination of Plane Figures

A sector of a...

Question

A sector of a circle of radius 4 cm contains an angle of 30°. Find the area of the sector.

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Solution

We know that the area A of a sector of an angle θ in the circle of radius r is given by

It is given that and angle.

Now we substitute the value of r and θ in above formula,

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Areas of Combination of Plane Figures

Standard X Mathematics

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