Circles
Circles
number of tangents from a point on acirlce
two
one
infintely many
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
The perimeter of the shaded region is
6[math]\pi[/math] cm
[math]12\pi cm[/math]
10[math]\pi[/math] cm
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Information: Circles
