Problem 49E

A cross-section of an airplane wing is shown. Measurements of the thickness of the wing, in centimetre, at 20-centimeter intervals are 5.8, 20.3, 26.7, 29.0, 27.6, 27.3, 23.8, 20.5, 15.1, 8.7, and 2.8. Use the Midpoint rule to estimate the area of the wings cross-section.

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