Question

Circle A has a radius of 21 meters. circle B

has a radius of 28 meters.


A) Find the circumference of each circle in terms of pi.

Answer 1

Circle A: 42π m

Circle B: 56 π m

Explanation:

Base on the given:

Circle A has a radius of 21 meters.

Circle B has a radius of 28 meters.

To Find:

Find the circumference of each circle in terms of pi.

Note:

pi = 3.14 (About)

Formula:

C = 2πr

Solution:

Circle A:

2 × π × 28

21 × 2 = 42

Circle B:

2 × π × 28

28 × 2 = 56

Thus,

Circle A : 42 π m

Circle B : 56 π m

Kavinsky