Rectangle ABCD is inscribed in a circle. If the radius of the circle is 2 and `bar(CD)=2`, what is the area of the shaded region ?

If the radius of the circle is 6 cm, then the area of the shaded region shown in the figure is

In the following figure, a circle a inscribed in square ABCD and the square is circusmscribed by a circle. If the radius of the smaller circle is r cm, then find the area of the shaded region (in cm^(2) ).

In Figure , a square OPQR is inscribed in a quadrant OAQB of a circle. If the radius of circle is 6sqrt(2) cm, find the area of the shaded region

In Figure , a square OPQR is inscribed in a quadrant OAQB of a circle. If the radius of circle is 6sqrt(2) cm, find the area of the shaded region

If the circumference of the circle above is 16pi , what is the total area of the shaded regions?

In Figure-9, a square OPQR is inscribed in a quadrant OAQB of a circle. If the radius of circle is 6sqrt(2) cm, Find the area of the shaded region.

In Figure-9, a square OPQR is inscribed in a quadrant OAQB of a circle. If the radius of circle is 6sqrt(2) cm, Find the area of the shaded region.

In the figure above, OABC is a square. If the area of circle O is 2pi , what is the area of the shaded region?

A square ABCD is inscribed in a circle of radius r . Find the area of the square.

BE and CD are both diameters of circle with centre A (see figure). If the area of the circle is 180 "units"^(2) , what is the total area of the shaded regions?