Question

find the circumference of a circle with 3.5 radius ( take 22/7 ) the answer is 22 but i need explanation please​

Answer 1

Answer:

1. circumference of a circle is equals to 2 pi 2×22/7×3.5
2. in this step 3.5 ×2 = 7
3. 2×22/2
4. in this step 2×11=22
5. 22 is the answer from the above question

Answer 2

Circumference = 2 πr
Radius = 3.5
=2 * 22/7 * 3.5
=44/7 *3.5
=22

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