Answer: 7.5

Step-by-step explanation:

A1=1/2pir^2 A2=1/2pir^2

1/2(121pi) 1/2(16pi)

5.5 2

**Explanation:**

In general, Volume and Surface Area Homework 3 is likely to consist of problems that involve calculating the volume and/or surface area of different 3D shapes such as cubes, prisms, cylinders, cones, or spheres.

To solve these problems, you'll need to have a solid understanding of the formulas for calculating volume and surface area of each of these shapes. You'll also need to be able to apply these formulas to solve problems that involve combinations of different shapes or require you to find missing dimensions.

One way to approach the problems is to make sure you carefully read and understand the problem statement, identify the relevant shape(s), and then apply the appropriate formula(s) to find the volume or surface area.

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