The circumference of a circular ground is $352\, m$. Find the area of the ground. (in $m^2$)
$7845$
$9856$
$9354$
$8647$
As shown in the diagram, the length of square $ABCD$ is $35 \,cm .$ Semicircles are drawn on its sides $\overline{ AB }$ and $\overline{ CD }$ Find the area of the shaded region. (in $cm^2$)
The area of a circular playground is $22176\, m ^{2}$. Find the cost of fencing this ground at the rate of $Rs.\, 50$ per $metre.$ (in $Rs.$)
The ratio of radii of two circles is $4: 5.$ Then, the ratio of their areas is...........
Find the area of the segment of a circle of radius $12 \,cm$ whose corresponding sector has a central angle of $60^{\circ}$ (Use $\pi=3.14$ ).
The maximum area of a triangle inscribed in a semicircle with diameter $50 \,cm$ is........... $cm^{2}$