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Calculating square inches of a circle?
The area of a circle is easily found by multiplying its radius squared times the constant pi. If only the circumference is known, the radius is found by taking 1/2 of the circumference divided by pi.
What is found by mulitplying pi by the radius squared?
The area of a circle with the given radius.
How do you find volume for cylinders with 7cm?
The volume of any cylinder can be found by multiplying the value of Pi by the radius squared, then multiplying by the height. Since you didn't specify whether the 7cm measurement was the radius or diameter - you will have to do the calculations yourself based on the information in this answer !
How do you find the circumference and area with a radius of 15 inches?
The circumference is found by doubling the radius, and multiplying that number by the value of PI. The formula is Pi x 2rThe area is found by squaring the radius, then multiplying that number by the value of Pi. The formula is Pi x r2 The letter r in both cases represents the radius.
How do you determine the circular area of a lawn?
pi radius squared. (radius squared, then multiply by pi.)
