Question

Find the diameter of the circle whose circumference is 66cm. ps guys solved answer

Answer 1

Answer:

21cm

Step-by-step explanation:

2 π r = 66

πr = 33

r = 33× 7/22 = 231/22

So, diameter = 231/22 ×2 =231/11=21

Answer 2

Answer:

Here is the answer.

Step-by-step explanation:

Formula:

$2\pi \: r \\ 2 \times \frac{22}{3} 33 \\ = 2 \times 22 \times 11 \\ = 44 \times 11 \\ = 484$