Find the circumference of the wheel of Anchal's cycle whose diameter is 21 cm.
11cm
66cm
42cm
10.5cm
If the diameter of a semi circular plot is 14m, then find its perimeter.
36m
28m
7m
4m
The difference between the circumference and radius of a circle is 37cm. Then area of the circle is.
111 cm2
184cm2
154cm2
259cm2
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
Find the area of a circular park whose circumference is 22 m.
11 m2
28 m2
32 m2
38.5 m2
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
If the circumference of a circle is 66 cm, then the area of the circle is.
132 cm2
462 cm2
173.25 cm2
346.5 cm2
If the diameter of a semicircular protractor is 14 cm, then its perimeter is.
34 cm
35 cm
36 cm
37 cm
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
A wheel has diameter 84cm. Find how many complete revolution must it make to cover 792 meters.
100
200
300
400