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
If the diameter of a semicircular protractor is 14 cm, then its perimeter is.
34 cm
35 cm
36 cm
37 cm
If the perimeter and area of a circle are numerically equal, then find the radius of the circle.
1 unit
2 units
3 units
4 units
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 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
Find the circumference of the wheel of Anchal's cycle whose diameter is 21 cm.
11cm
66cm
42cm
10.5cm
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
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
