A welder has a large pan that has the shape of a hemisphere that is used for scrap metal pieces. If the radius of this pan is 7.00 in., what is the volume? A) 404 in. ³ B) 720 in. ³ C) 1,440 in. ³ D) 1,550 in. ³ E) 680 in. ³

Question

Quizplus · Accepted Answer

The volume of a hemisphere is given by $ \frac{2}{3}\pi r^3 $, where $ r $ is the radius. Substituting $ r = 7 $ inches, the volume is $ \frac{2}{3} \pi (7)^3 = \frac{2}{3} \pi (343) \approx 718.67 $ in$^3$, which rounds to 720 in$^3$, making option B the correct answer.

A Welder Has a Large Pan That Has the Shape