Find the area of a circular park whose circumference is 22 m.
11 m2
28 m2
32 m2
38.5 m2
If the diameter of a semi circular plot is 14m, then find its perimeter.
36m
28m
7m
4m
A sector is cut from a circle of diameter 21cm. If the angle of the sector is 150o find its area.
140cm2
140.32cm2
144.38cm2
145cm2
Find the circumference of the wheel of Anchal's cycle whose diameter is 21 cm.
11cm
66cm
42cm
10.5cm
If the perimeter and area of a circle are numerically equal, then the radius of the circle is.
2 unit
π units
4 units
7 units
A wheel makes 1000 revolutions in covering a distance of 88 km. Then, the diameter of the wheel is.
14 cm
24 m
28 m
40 m
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
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
If the ratio of the radii of the two wheel is 3:4 then the ratio of their circumference is.
3:4
3:5
3:6
6:3
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
