Example 6 You are choosing between the two wastebaskets that have the shape of the
figures at the right. They both have the same volume. What is the height h of the
rectangular wastebasket? Give your answer in terms of a and keep π.
Exercise 6
1) A square has side length 6� + 2. A rectangle with width 3� + 1 has the same area
as the square. What is the length of the rectangle?
2) The length of a rectangular prism is 5 units more than the width �. The volume
of the prism is �3 + 7