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MAT118-2006Spring

# MAT118-2006Spring - N ame MAT 118 Final Exam May 8 2006 1...

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Name MAT 118 Final Exam May 8, 2006 1. Justify why this is a good or bad definition of a square: a quadrilateral with four congruent sides. 2. Classify each of the following statements as either true or false. If the statement is false, provide a counterexample or correct the statement. a. All trapezoids are parallelograms. b. A quadrilateral with all angles congruent is a rectangle. c. All rectangles are similar. d. Any two equilateral triangles are similar. 1

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3. In the figure below, the circle with center a has a radius of 5 em. In addition, AC ..L DB. B a. Find the area of the shaded region. b. Find the perimeter of the shaded region. 4. Given the diagram below with a II b , find the following angle measures: --------*-~------7"- E-----_L--- .... :.= ........ l<or-----7 J, 2
a. mLl b. mL2 c. mL3 5. Peter says that most SUPER SALES are misleading. "Why can't they just sayan item's price is discounted 60% instead of saying take an additional 50% off of the item's price which has already been discounted 1O%? It's the same thing in the end." Do you agree with Peter or disagree? Justify your answer with mathematical reasoning.

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MAT118-2006Spring - N ame MAT 118 Final Exam May 8 2006 1...

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