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

2-127.

Find the width.

Draw the graph and label.

left − hand approximation = 0.5(21 +21.5 + 22 + 22.5 + 23.5)

Be careful with the start and end heights!

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