### Home > PC > Chapter 2 > Lesson 2.3.5 > Problem 2-127

2-127.

Write down the sums (but DO NOT add them up) that you would use to approximate using six intervals and:

Left endpoint rectangles.

This sum should start at

and end at.Right endpoint rectangles.

This sum should start at

and end at.Trapezoids.

Draw all of the trapezoids. Then calculate the area for each.