Advertisements
Advertisements
प्रश्न
Circumference ‘C’ of a circle can be found by multiplying diameter ‘d’ with ______.
Advertisements
उत्तर
Circumference ‘C’ of a circle can be found by multiplying diameter ‘d’ with π.
Explanation:
∵ Circumference = 2πr
Since, diameter (d) = 2r
So, C = π × d
Hence, π is the answer.
APPEARS IN
संबंधित प्रश्न
The radius of a circle is 7 cm. find the circumference of the circle.
Choose the correct alternative answer for the following question.
A cone was melted and cast into a cylinder of the same radius as that of the base of the cone. If the height of the cylinder is 5 cm, find the height of the cone.
An express train is running between two stations with a uniform speed. If the diameter of each wheel of the train is 42 cm and each wheel makes 1200 revolutions per minute, find the speed of the train.
The diameter of a circle is 5.6 cm. Find its circumference.
A cart wheel makes 9 revolutions per second. If the diameter of the wheel is 42cm, find its speed in km per hour. (Answer correct to the nearest km)
Find the perimeter of the given shape (Take π = `22/7`).
Diameters of different circles are given below. Find their circumference (Take π = `22/7`)
d = 70 cm
Diameters of different circles are given below. Find their circumference (Take π = `22/7`)
d = 28 mm
The cost of fencing a circular race course at the rate of ₹ 8 per metre is ₹ 2112. Find the diameter of the race course
A wire is bent to form a square of side 22 cm. If the wire is rebent to form a circle, its radius is ______.
