# True or false

1. Aug 22, 2006

### Hollysmoke

If a circle has an area of t square units and radius r, then a circle with an area of 2t square units has radius 2r.

2. Aug 22, 2006

### quasar987

What do you think?

The area of a circle of radius R is $\pi R^2$.
Have you tried playing with this formula to find the answer?