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How do you find the circumfrence of a circle when you have the area?
Divide the area by pi then square root your answer which will give the radius of the circle and use 2*pi*radius to find the circumference.
What is the formula of finding the area of a circle?
Pi * R squared, where R is the radius of the circle in question
Why is it important to know the area of a circle?
Because you might have to measure a cylider, such as the capacity of fluid oz's in a can of soda and maybe you have a room and it's shaped as a circle u might wanna find how much carpet u need...? sorry, im not sure if I'm helping! :( I covered area 3 years ago!!
Why does the formula for area of a circle work?
It says so in the formula
How many square inches are there in a 1 inch circle?
Assuming that 1inch is your diameter, your radius is, of course, 0.5. Since the area of a circle is expressed asA=(pi)r2simply plug in the radius to this equation. You will get your area to be pi*0.25in2, which is roughly equal to 0.78539inches2.
