### Home > PC > Chapter 6 > Lesson 6.1.4 > Problem 6-64

6-64.

Estimate using

Determine the width of each rectangle.

Find the midpoint for each rectangle.

Use sigma notation to show the sum of the areas of the

6-64.

Estimate using

Determine the width of each rectangle.

Find the midpoint for each rectangle.

Use sigma notation to show the sum of the areas of the