If r is the radius of a circle such that - r2-2 - r- what is the diameter of the circle-

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Circumference of a Circle

If r is the r...

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If r is the radius of a circle such that $π r^{2}$ = 2 $π$ r, what is the diameter of the circle?

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Tick the correct answer in the following:

Area of a sector of angle p (in degrees) of a circle with radius R is

(A) , (B) , (C) , (D)

The perimeter of a circle having a radius $^{'} r^{'}$ units is given by $π r^{2}$ .

θ °

\frac{2 π R θ}{180}

\frac{2 π R θ}{360}

\frac{π R^{2} θ}{180}

\frac{π R^{2} θ}{360}

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