Keyword Analysis & Research: area of circle ft


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Frequently Asked Questions

How do you calculate the area of a circle?

The formula for the area of a circle is pi multiplied by the radius of the circle squared. The radius of the circle is the length of a straight line stretching from the center of the circle to the line of circumference.

What is the formula for area of circle?

The area of a circle is the amount of space the circle covers. The formula for calculating the area of a circle is A = π_r_2 where pi (π) equals 3.14 and the radius (r) is half the diameter.

What is the approximate area of a circle?

A little word problem about approximating the area of a circle. Approximate the area of a circle whose diameter is equal to 4 cm. The radius is half the diameter, so r = 2 cm. So an approximation of the area is 3r2 = 3 × 22 = 3 × 4 = 12 cm 2.


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