Copyright by The Goodheart-Willcox Co., Inc.
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Name ______________________________________________________ Date ______________ Class ________________
Unit 17 Four-Sided Measure
37. The following plate consists of a trapezoid and a parallelogram. Calculate the perimeter of the
plate.
38. Calculate the area of the plate.
39. All surfaces of this sheet metal trough are to be painted with a rust-inhibiting paint. What is the
total surface area, including the bottom, to be painted?