Question

please solve it ......
Q.11​

Answer 1

Hey there! Here is your answer.

a.
$Circumference \: of \: circle \\ = 2πr \\ = 2 \times \frac{22}{7} \times 7 \\ = 2 \times 22 \\ = 44$

Find the answer of rest of questions using the given formula.

Hope this answer will help you!

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Answer 2

Answer:

Step-by-step explanation:

circumference of the circle is 2 pi r

a, 7

2*22/7*7=44

b,3.5

2*22/7*3.5=2*22/7*35/10=22

c,14

2*22/7*14=88

d,21

2*22/7*21=132