Question

pleasse solve this for me I am not able to solve this question​

Answer 1

Answer:

We know that the value of pi(3.14

Now,

2l*3.14*9*10^-8

---------------------------

4

== 56.52*10^-8

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" 4

Answer 2

Answer:

1.41 l * 1o^-7

Step-by-step explanation:

This is the answer and the value of

$\pi = 3.14$