Question

using the forumla,state how the perimeter of a circle with a radius of 10 cm is calcultated​

Answer 1

Step-by-step explanation:

Circumference of a Circle Formula

The Circumference (or) perimeter of circle = 2πR

where,

R is the radius of the circle

π is the mathematical constant with an approximate (up to two decimal points) value of 3.14

Again,

Pi (π) is a special mathematical constant; it is the ratio of circumference to diameter of any circle.

where C = π D

C is the circumference of the circle

D is the diameter of the circle

For example: If the radius of the circle is 4cm then find its circumference.

Given: Radius = 4cm

Circumference = 2πr

= 2 x 3.14 x 4y

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= 25.12 cm

Answer 2

Answer:

Formula:

• Perimeter of circle = 2*π*r

Solution:

$\large\sf{ 2 \times \dfrac{22}{7} \times 10}$

$\large\sf{ 2 \times 3.14 \times 10}$

=> 62.8 cm

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