In figure 12 PS is a diameter of a circ...

In figure 12 PS is a diameter of a circle whose radius is `6cm`. Two pint Q and R are taken on PS such that PQ= QR = RS . Two Semi-circles are drawn with PQ and QS as their respective diameters as shown in the figure. find the perimeter and the area of the shaded region shown in figure. (Take `pi=3.14`)

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In Fig 12,PS is a diameter of a circle whose radius is 6 cm.Two points Q and R are taken on PS such that PQ=QR=RS.Two semicircles are drawn with PQ and QS as their respective diameters as shown in the figure.Find the perimeter and the area of the shaded region shown in figure. (pi=3.14)

In the figure APB and AQB are semi-circles and AO=BO . If the perimeter of the figure is 40cm , find the area of the shaded region.

In the given figure PQRS is a diameter of a circle 6cm . The length PQ, QR and RS are equal. Semi-circle are drawn on PQ and RS as diameter. If PS=12cm , find the area of the shaded region. (Take pi=3.14 )

A sector from teo concentric circle is shown in Fig.14.If the radii of the circles are respectively 3.5 cm and 7 cm,find the area of the shaded region in the figure.

In Fig.12.33.ABC is a quadrant of a circle of radius 20 cm and a semicircle is drawn with BC as diameter. Find the area of the shaded region.

In given figure sectors of two concentric circles of radius 7 cm and 3.5 cm are shown. Find the area of the shaded region.

The radius of two circles are in the ratio 3 : 4 and sum of their areas is equal to the area of a circle whose radius is 35 cm. Find the ratio of the diameters.

AOBPA is a quadrant of a circle of radius 14cm . A semi-circle with AB as diameter is drawn. Find the area of the shaded point. ( pi=22/7 )

Find the area of the shaded region in the given figure. If PR=24cm , PQ=7cm and O is the centre of the circle.

In the given figure ABCD is a square whose each side is 14cm . APD and BPC are semi-circles. Find the area of the shaded region.

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