Advertisements
Advertisements
Question
Circumference ‘C’ of a circle is equal to 2π × ______.
Advertisements
Solution
Circumference ‘C’ of a circle is equal to 2π × r.
Explanation:
Circumference of a circle = 2π × r
APPEARS IN
RELATED QUESTIONS
Find the circumference of the inner and the outer circles, shown in the adjoining figure? (Take π = 3.14)

A horse is placed for grazing inside a rectangular field 40m by 36m and is tethered to one corner by a rope 14m long. Over how much area can it graze.
Find in terms of x the length of the arc that subtends an angle of 30°, at the centre of circle of radius 4 cm.
The base circumferences of two cones are the same. If their slant heights are in the ratio 5 : 4, find the ratio of their curved surface areas.
The diameter of a circle is 28 cm.
Find its :
(i) Circumference
(ii) Area.
The circumference of a circle is eigth time the circumference of the circle with a radius of 12 cm. Find its diameter.
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.
The cost of fencing a circular field at the rate of Rs.250 per metre is Rs.55000. The field is to be ploughing at the rate of Rs.15 per m2. Find the cost of ploughing the field.
In the formula, C = 2πr, ‘r’ refers to
Find the area of the shaded region given in figure
