Answer Key:
Multiple Choice: 1. B 2. D 3. A 4. A 5. a) 22 cm squared b) 20 cm squared c) 22 cm squared 6. = 2650 cm squared 7. = 560 cm squared 8. Height of triangle = 12.12 Area of 4 triangles = 339.36 Area of 6 rectangular sides = 420 Area of overlap = 39.27 Total surface area = 861.46 The surface area of the object is about 861 cm squared.
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November 2016
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