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Q: What formula would you use to figure the square foot of a 8 foot circle?
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How do you figure out the square inches of a 1 inch diameter circle?

you would do the formula for area. (pie-radius-squared) 3.14*.5squared


Is a circle a solid figure?

A circle is a plane figure. A 'circular' solid figure would be a sphere.


What is the area The diameter of a circle is 8 feet.?

The area of a circle can be found using the formula A = πr^2, where r is the radius of the circle. Since the diameter is given as 8 feet, the radius would be half of the diameter, which is 4 feet. Plugging this into the formula, the area of the circle is approximately 50.27 square feet.


The perimeter of the figure is 42.5cm. what formula do you use to figure out the area?

It depends what shape the figure is ! If it's a square or rectangle - you would need one more piece of information (the length of one side).


Is there a formula to calculate how many squares fit into a circle knowing the square side and circle diameter?

If you're talking about a perfect circle and perfect squares, I would say probably about 3.1415926 squares would fit into a circle. So, about 3: but a little more. - Josh


How does a congruent figure look like?

A congruent figure is identical to another figure. Example would be like a circle with the radius of 12 meters, then the congruent figure would have to be a circle with a 12 meter radius.


How man square feet in a 21ft diameter circle?

The area of a circle can be calculated using the formula: A = πr^2. If the diameter is 21ft, the radius would be half of that, which is 10.5ft. The area of the circle would be approximately 346 square feet.


How many square miles in a 40 mile radius?

The formula for the area of a circle is: 3.14 (pi) times the radius squared. A circle with a 40 mile radius would have an area of 3.14 x 40 x 40 = 5024 square miles.


What is the formula to perimeter?

You need to specify the perimeter of what figure. Overall, it is the sum of every side measurement of a polygon. For a circle it would be 2 times pi times the radius.


Why would you use a formula to determine the circumference of a circle?

There is a constant relationship between the radius of a circle and its circumference. This is expressed in a formula.


How would you find the area of a circle?

To find the area of a circle, here is the formula: A=Pi r2 To find area, you must square the radius and multiply it by pi. If it gives you the diameter, not the radius, divide the diameter by 2, that gives you the radius, then square it and multiply by pi.


The length of your garden is 11 feet by 6 feet at it maxium width you are attempting to make a half circle garden how would you figure out square footage?

Assuming your aim is the largest semicircle within the rectangular area, it would be a half circle of radius 5.5 ft. A circle's area is Pi times the radius squared, so the half circle would be 1/2 * 3.14 * 5.5 * 5.5 , which equal 47.5 square feet.