Advertisements
Advertisements
рдкреНрд░рд╢реНрди
Find the circumference of the circle with the following radius: (Take `bb(pi = 22/7`)
14 cm
Advertisements
рдЙрддреНрддрд░
r = 14 cm
Circumference = 2πr
= `2 xx 22/7 xx 14`
= 88 cm
APPEARS IN
рд╕рдВрдмрдВрдзрд┐рдд рдкреНрд░рд╢реНтАНрди
In Fig. 4, ABCD is a square of side 14 cm. Semi-circles are drawn with each side of square as diameter. Find the area of the shaded region.
(use `pi=22/7`)
If the perimeter of a semi-circular protractor is 66 cm, find the diameter of the protractor (Take π = 22/7).
How many times a wheel of radius 28 cm must rotate to go 352 m? (Take `pi = 22/7`)
Find the radius of a circle whose perimeter and area are numerically equal.
The areas of two circles are in the ratio 9 : 4. The ratio of their circumferences is
Diameter of the circular garden is 42 m. There is a 3.5 m wide road around the garden. Find the area of the road.
The diameter of a circular field is 56 m. Find its circumference and cost of fencing it at the rate of тВ╣80 per m. (Take π =`22/7`)
Find the area of a circle whose circumference is 22 cm.
A wire when bent in the form of a square encloses an area of 484cm2. If the same wire is bent into the form of a circle, find the area of the circle.
Circumference of a circle is always ______.
