answersLogoWhite

0


Best Answer

pi R2 = 4 pi = 12.566 (rounded)

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the area of a circle if the radius is 2?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Formula and result of area of circle?

The formula for the area of a circle is: Area = (pi) x (Radius)2 . When you know the radius of the circle and you use it to calculate the area of the circle, the result will be equal to (pi) x (Radius)2 .


What is area of a circle with radius of 2 cm?

A circle with a radius of 2 cm has an area of 12.57 square cm.


Why do you use the radius in the formula of finding the area of a circle?

Area of circle = pi*(radius)2


What is the radius of a circle if the area is 4?

The radius of the circle is 2 units. * * * * * If the area is 4 units, the radius is 1.128 units


How do you fine the area of a circle given the radius of the circle?

Area of a circle = (pi) x (radius)2 (pi) = about 3.1416 or about 22/7 . (It can never be written down exactly.) (radius)2 = (radius) x (radius)


What is the area in square cm of the circle if the radius is 12 cm?

Area of ANY circle is (pi) x (radius)2 .


What do you multiply the radius by?

circumference of a circle = 2*pi*radius area of a circle = pi*radius squared


What is the formula for a circle radius r?

Area of a circle = pi*radius2 Circumference of a circle = 2*pi*radius or diameter*pi Diameter of a circle = 2*radius


What is the diameter of a circle if the radius is 2?

A circle with a radius of 2 units has an area of 12.57 square units.


What is the area of a circle if the radius is 19mm?

The area is (pi) times (the radius)2 , just as it is in any other circle.


What is the radius of a circle with an area of 12.57cm2?

The radius is 2 cm


What is the surface area of a circle with a radius of 2?

area of a circle = pi * radius ^2. Ans = 3.14159 * 2^2 = 12.57 square units, given the radius being 2 units.