### Home > INT3 > Chapter 9 > Lesson 9.1.5 > Problem 9-71

9-71.

Suppose Shau wants to produce a 3‑D printed model of a tree. One cubic centimeter of printing material weighs 7.27 grams. Shau plans to make a tree 12 cm tall with a cylindrical trunk and spherical top. The diameter of the treetop is to be 3 cm. The trunk can support a treetop weighing no more than 80 grams. Can Shau print out a solid treetop? Why or why not? If not, what do you suggest he do? Explain completely. Homework Help ✎

To compute the volume of a sphere, use the formula: