Question

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What is the radius of a circle that has a circumference of 3.14 meters?


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Answer 1

Step-by-step explanation:

Circumference is pi*diameter so the radius is half of that.

To solve for r: (2r)*pi = 3.14

Rearrange for r on its own on one side of the equation. For simplicity, I will assume that 3.14 is pi.

Divide both sides by pi for 2r=pi/pi so 2r=1.

Therefore, r=1/2 meter

However, if you wish to stick with the 3.14 circumference as a rigid numeric value

it goes:

(2r)*pi = 3.14 so 2r = 3.14/pi.

Therefore, r = 1.57/pi.

My calculator gives this as 0.4997465213 meters. However, even that isn’t totally accurate as it’s a never-ending number.

1/2 meter would be good enough in most circumstances.

(* = multiply).

Answer 2

Step-by-step explanation:

$hope \: it \: helps \: you$