Question

If you know the area of a circle, how can you find its radius? Use the drop-down menus to explain your answer.

Answer 1

Answer:

Working backward

Step-by-step explanation:

Formula: A = πr²

All you have to do is work backwardly

If you have the area, replace the "A" with the area.

You can replace the π with "3.14"

Then divide the area by "3.14"

Then when you get your answer, divide your answer that you got by its square root --> √

Then when you do that....you get your radius....and from there on, you can check it by substituting.

Hope this helped!

Answer 2

Answer:

down below

Step-by-step explanation:

the area of a circle is pi times radius times radius

in order to find the radius of a circle when you know the area, you need to do the area divided by 3.14. after you have done that, divide that number by 2

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