SOLUTION: If a radius of a circle is tripled, then the area is:

SOLUTION: If a radius of a circle is tripled, then the area is:

Algebra.Com

Question 129027: If a radius of a circle is tripled, then the area is:
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
area=pi*r^2
if the radius is tripled then:
area=pi*(2r)^2
area=pi*4r^2 or the area is increased by 4.
RELATED QUESTIONS
If a radius of a certain circle is tripled, with 8.2 centimeters then added, the result... (answered by Theo)

what happen to the area of a circle when the radius is doubled?... (answered by oscargut)

The formula A =3.14 r2 is used to find the area of a circle. If the radius is tripled, by (answered by stanbon)

Radious of a circle: If the radius of a certain circle is tripled, with 8.2 then added,... (answered by edjones)

if the radius of a circle is tripled, the diameter is also tripled. true or false? I... (answered by Alan3354,richwmiller)

If the lengths of a triangle are tripled, is the area also... (answered by Deina)

If the radius of a circle is increased by 10% then the area is increased... (answered by rfer)

The radius of a circle has been tripled. How many times greater is the area? A. 9 B.... (answered by KMST,Alan3354)

if the area of a circle is 380 square inches, then whats the... (answered by alicealc)