Q: What is area of circle of 3 radius?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

A circle has only one measure for its radius. A shape that has a "radius" of 3 in by 4 in cannot be a circle.

A circle with a radius of 3 inches has an area of 28.27 square inches.

Area = pi*radius squared

28.26

9pi

Related questions

A circle with a radius of 3 meters has an area of 28.27 square meters.

The area of a circle with a radius of 3 feet is: 28.27 square feet.

A circle with a radius of 3 cm has an area of 28.27 square cm.

A circle has only one measure for its radius. A shape that has a "radius" of 3 in by 4 in cannot be a circle.

A circle with a radius of 3 inches has an area of 28.27 square inches.

Area = pi*radius squared

Since you said radius, I assume you mean Circle or Sphere. Circle: Area = Pi * radius^2 therefore, Radius = Square Root of (Area/Pi). Sphere: Area = 4/3 Pi * Radius^3 therefore, Radius = CubeRoot of (3/4 * Area/Pi)

9pi

28.26

0. There is no circle so no shaded area of a circle!

It's half of the area of the whole circle...

A≈28.27cm2