Question
The circles are not drawn to scale. The small circle is with radius c and the big circle is with radius C. The ratio of c to C is 2 : 9. If the area of the small circle is 225π cm2, find C. Express your answer in mixed number.
2 m

Click button first when a symbol is required. X

The circles are not drawn to scale. The small circle is with radius c and the big circle is with radius C. The ratio of c to C is 2 : 9. If the area of the small circle is 225π cm2, find C. Express your answer in mixed number.