English, asked by sb9867739242, 3 months ago

इस द डायमीटर इज 21 सेंटीमीटर फाइंड इट्स सरकम्फ्रेंस

Answers

Answered by aniketaryan960

1

Answer:

= 66 unit

Explanation:

Diameter is 21

Radius is 21/2

= 10.5

= 2πr

= 2 x 22/7 x 10.5

= 44/7 x 10.5

= 66 unit

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