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How do you calculate the area from the circumference?

Anonymous

∙ 14y ago

Updated: 12/22/2022

The area of a circle (A) is pi x r x r.

The circumference of a circle (C) is pi x d, or pi x 2r.

So if you know C, you can calculate r using the formula C = pi x 2r or r = C/2pi

Once you know r, you can calculate A using the formula A = pi x r x r

Wiki User

∙ 14y ago

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If the circumference of a circle is increased by 50 then the area will be increased by?

there is no constant that will calculate this, since circumference is calculated with only radius and area with radius squared. you will have to calculate the radius using the initial circumference and then the radius again for the new circumference (with the 50 added). then calculate an area for each radius..then you can see the increase.

How do you you do circumference 6''?

The answer will depend on what is meant by "how do you you do" or even "how do you do". I do not do circumference. A can draw it, I can calculate it, I can calculate other measures (area, radius, diameter) from it but I do not DO it!

How do you calculate the circumference of a circle when you have the area?

pi*radius2 = area radius = square root of (area/pi) circumference = 2*pi*radius

How do you calculate the diameter or radius of each circle?

Using the Circumference And Area.

What is a flow chart to find the area and circumference of rectangle?

start real length L and width w calculate the area A= Lw calculate the circumference C=2(L+w) Display A and C End

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