Math, asked by alexa2298, 1 year ago

find the circumference of a circle whose diameter is 21 centimetre step by step

Answers

Answered by Striker10

5

Answer:

Mark it as brainliest

Yes

Step-by-step explanation:

diameter = 21cm

circum= πd

= 22/7 * 21 = 66 cm

Answered by Anonymous

13

Step-by-step explanation:

circumference = 2πr

here diameter is 21 then radius is 21/2

r = 10.5

2 × 22/7 × 10.5

44/7 × 10.5 = 66

hope it helps you

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