Advertisements
Advertisements
Question
In the formula, C = 2πr, ‘r’ refers to
Options
circumference
area
rotation
radius
Advertisements
Solution
In the formula, C = 2πr, ‘r’ refers to radius
APPEARS IN
RELATED QUESTIONS
A sector is cut from a circle of radius 21 cm. The angle of the sector is 150º. Find the length of its arc and area.
From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet. (Take π = 3.14)

In the given figure,
\[\square\] PQRS is a rectangle. If PQ = 14 cm, QR = 21 cm, find the areas of the parts x, y, and z.

In the given figure, find the area of the shaded region, if ABCD is a square of side 14 cm and APD and BPC are semicircles.

Find the area and perimeter of the circle with the following :
Diameter = 77 cm
Find the area and perimeter of the following semi-circle :
Diameter= 5.6 cm
AC and BD are two perpendicular diameter of a circle ABCD. Given that the area of shaded portion is 308 cm2 calculate:
(i) The length of AC and
(ii) The circumference of circle

The diameter of the bullock cart wheel is 1.4 m. Find the distance covered by it in 150 rotations?
The area of a circle whose circumference is 22 cm, is ____________.
In reference to a circle the value of π is equal to ______.
