Math, asked by krishojha98, 3 months ago

The diameter of a circle is 21 cm. then its circumference is _________

Answers

Answered by piyushsharma138

3

Answer:

radius of circle is 21/2

circumference of circle is 2πr

2x22/7x21/2

66cm

hope u like it...

Answered by hemanti5389

0

Step-by-step explanation:

circumference = 2π r

radius = diameter ÷ 2

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