The diameter of a bicycle wheel is 63 cm. How much distance will it cover in 20 revolutions?
39 m 60 cm
37 m 10 cm
36 m 50 cm
36 m 70 cm
Circumference of a circular disc of radius 9 cm is
54.10 cm
52.62 cm
56.52 cm
53.21 cm
The length and breadth of a room are 8 m and 5 m respectively. A red color border of uniform width of 0. 5 m has been painted all around on its inside. Find the area of the border.
10 m2
12 m2
12. 5 m2
13. 5 m2
A chord passing through the center is called
Diameter
Radius
Chord
None of these
The diameter of a circle is 1m then its radius is
100 cm
50 cm
20 cm
10 cm
From a circular sheet of radius 5 cm, a concentric circle of radius 3 cm is removed. Find the area of the remaining sheet.
48 cm2
50 cm2
50. 24 cm2
53 cm2
The height of a trapezium whose sum of parallel sides is 20 cm and the area 80 cm2 is
2 cm
4 cm
6 cm
8 cm
A wire of length 88 cm is bent as a circle. What is the radius of the circle?
12 cm
13 cm
14 cm
Area of the circle of radius 8 cm is
330.5 cm2
200.96 cm2
302.1 cm2
332.1 cm2
The line segment joining any two points on the circle is called