Find the area of a circular park whose circumference is 22 m.
11 m2
28 m2
32 m2
38.5 m2
The length of a minor arc is 2/9 of the circumference of the circle. Then the measure of the angle subtended by the arc at the centre of the circle is.
80o
60o
45o
30o
The difference between the circumference and radius of a circle is 37cm. Then area of the circle is.
111 cm2
184cm2
154cm2
259cm2
A chord of a circle of radius 14cm subtends a right angle at the centre. Then, the area of the minor sector is.
154 cm2
156 cm2
158 cm2
160 cm2
Find the circumference of the wheel of Anchal's cycle whose diameter is 21 cm.
11cm
66cm
42cm
10.5cm
A chord of a circle of radius 14 cm subtends 60o at the centre. Then, the area of the major sector is.
510 cm2
511 cm2
512 cm2
513 cm2
If the diameter of a semi circular plot is 14m, then find its perimeter.
36m
28m
7m
4m
A blacksmith Rajesh bent a steel wire in the form of a square, encloses an area of 121 sq.cm. The same wire he bent in the form of a circle. Find the area of the circle.
150 cm2
152.5 cm2
153 cm2
A wire made of gold is looped in the form of circular ear ring of radius 2.8 cm. It is rebent into a square.
Determine the length of the side of the square.
4 cm
4.4 cm
4.5 cm
8 cm
The area of a circle is increased by 22cm2, when its radius is increased by 1cm. The original radius of the circle is.
6cm
3.2cm
3cm
3.5cm
