Question

If the diameter is 21 cm then what is the circumference​

Answer 1

Answer:

Given: d = 21 cm

we know that d = 2r ( 2 × radius )

Therefore C = 2 × pi × r

= pi × d

= 3.14 × 21

= 65.94 cm

Hope you'll mark me as the BRAINLIEST. ....

Answer 2

Answer:

Here's your answer.

Hope this helps you :)