# What is the ratio of the area of region X to that of region Y?

*label*Mathematics

*timer*Asked: Apr 30th, 2015

**Question description**

IMG_2533.jpg The diagram shows that region X is bounded by three semicircular arcs whose lengths are in the ration 1:2:3, and region Y is also bounded by three semicircular arcs. Find the ratio of the area of region X to that of region Y.