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What is the area of the circle if the radius is 5?

The area of a circle is equal to pi times the radius squared. So in your case it would be 5 squared, (25) times pi which is equal to ~78.5


What is the area of a circle radius equal to 1?

The area of a circle is pi times (radius squared) Thus if radius is one inch then area is (pi) times (1) times (1) = pi = 3.1416 inches squared


What does a full circle equal in geometry?

A full rotation of a circle is equal to 360 degrees. Area of a circle is: pi times radius squared.


How you get the area of a circle?

A= Area of the circle¶= Pi (About 3.14)r= Radius squared (Radius times radius)3.14 * Radius squared


Does the area of a circle equal pi?

no, the area of a circle equals pi times the radius squared or circumference times diameter over four.


What is the diameter and area of a circle?

the diameter of a circle is defined by the largest length from one side of the circle to the other side of the circle. the area of a circle is equal to pi(3.14) times the radius squared. the radius is equal to half of the diameter.


What is the area of a circle if the radius is 20 m in terms of pi?

If i remember the 'ol math class circle area is equal to radius squared times pi so 20x20x3.14 = 1256 meters squared


What is the area of a circle that has a radius equal to 1?

a=pi times r squared so pi or 3.1415926535898...


What is the exact area of a circle with a radius of 12 feet?

The area of a circle is equal to pi times the radius squared. A 12 foot radius circle would have an area of exactly 144 pi square feet.


How do you find ratio of area to radius?

In a circle, the area of the circle is pi times the radius squared


How do you measure a circle?

circle area is pi times radius squared


Formula of circle?

The formula for the area of a circle is pi times the radius squared. The formula for the circumference of a circle is two times pi times the radius.