# Final_Exam_Review_MA - MATH 139 FINAL EXAM REVIEW PROBLEMS ANSWERS 1 Area of non-shaded region in(a is 22(1 2 = 4 0.86 Area of non-shaded region

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Final_Exam_Review_MA_139_Answers 1 MATH 139 FINAL EXAM REVIEW PROBLEMS ANSWERS 1. Area of non-shaded region in (a) is 22 2 (1) 4 0.86 ππ −= Area of non-shaded region in (b) is ( ) 2 2 2 2 1.14 2. a. The base is an equilateral triangle with area of 27.72 sq. meters. b. 24 meters. c. 41.04 sq. meters. 3. Perimeter = 240 mm. Area = 2400 mm 2 . 4. Determine for each of the following the smallest number of faces possible: a. Prism: 5 b. Pyramid: 4 c. Polyhedron: 4 5. A prism whose bases are 11-gons has 33 edges. A pyramid cannot have exactly 33 edges because the number edges is twice the number of vertexes in the base. 6. e = 30 z = 4 5 8.94 7. Perimeter = 12 2 5 13 +++ . 8. Area = 12.5 sq. units. 9. Fill in the blank with “All,” “Some,” or “No.” a. some rectangles are squares. b. no parallelograms are trapezoids. c. all rhombuses are quadrilaterals. 10. Joe is not right. He had drawn a square with area of 9 sq. cm. 80 mm 100 mm 48 mm A B C

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Final_Exam_Review_MA_139_Answers 2 11. One square mile is 2 5280 sq ft = 27878400 sq ft One acre = 43560 sq ft One square mile = 27878400/ 43560 acres = 640 acres 12.
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Final_Exam_Review_MA - MATH 139 FINAL EXAM REVIEW PROBLEMS ANSWERS 1 Area of non-shaded region in(a is 22(1 2 = 4 0.86 Area of non-shaded region

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