Posted by joshua joyo on .
There is a small circle and a big circle. A small circle has a radius of 1.5. What is the area of the big circle?

math trigonometry 
Reiny,
missing stuff here.
Posted by joshua joyo on .
There is a small circle and a big circle. A small circle has a radius of 1.5. What is the area of the big circle?
missing stuff here.