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Circles

Author:sudha

Circles

number of tangents from a point on acirlce

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Diameter PS of a circle is 12 cm. Points Q and R divides PQ into three equal parts. Semicircles are drawn with PQ and QS as diameters as shown in the following figure

Diameter PS of a circle is 12 cm. Points Q and R divides PQ into three equal parts. Semicircles are drawn with PQ and QS as diameters as shown in the following figure

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The perimeter of the shaded region is

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