Is thus correct domain and range using interval notation?

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x

The radius of a sphere is 3 inches. which represents the volume of the sphere?