Advertisements
Advertisements
प्रश्न
Calculate the area of the shotput circle whose radius is 2.135 m.
Advertisements
उत्तर
Radius of the shotput circle r = `"d"/2`
= `2.135/2` m
Area of the circle = πr2
= `22/7 xx 2.135/2 xx 2.135/2`
= `25.07/7`
= 3.581 m2
∴ Area of the shotput circle = 3.581 m2
APPEARS IN
संबंधित प्रश्न
The area of a rectangular plot is ` 462m^2` and is length is 28 m. Find its perimeter.
In the following figure, the boundary of the shaded region consists of four semi-circular arcs, the smallest two being equal. If the diameter of the largest is 14 cm and of the smallest is 3.5 cm, find
- the length of the boundary.
- the area of the shaded region.

If the area of a square is same as the area of a circle, then the ratio of their perimeters, in terms of π, is
If he area of a sector of a circle is \[\frac{7}{20}\] of the area of the circle, then the sector angle is equal to
The length of an arc of a circle, subtending an angle of 54° at the centre, is 16.5 cm. Calculate the radius, circumference and area of the circle.
The minute hand of a clock is 12 cm long. Find the area swept by in it 35 minutes.
A circle of the largest area is cut from a rectangular piece of cardboard with dimensions 55 cm and 42 cm. Find the ratio between the area of the circle cut and the area of the remaining card-board.
Find the area enclosed between two concentric circles, If their radii are 6cm and 13cm respectively.
If the radii of two circles are in the ratio of 4 : 3, then their areas are in the ratio of ______.
Area of a circle with diameter ‘m’ radius ‘n’ and circumference ‘p’ is ______.
