139sp10exam3review

# 139sp10exam3review - Math 13900 Exam 3 Review Problems...

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Math 13900 Exam 3 Review Problems Spring 2010 1 Note: This is NOT a practice exam. It is a collection of problems to help you review some of the material for the exam and to practice some kinds of problems. This collection is not necessarily exhaustive; you should expect some problems on the exam to look different from these problems. Section 11.1 Textbook p. 802 # 3, 4 1. Use a compass and protractor to construct the triangle STP with the following characteristics: ST = 1.25 inch, SP = 2 inches, and angle S = 40°. What is the measure of angle T ? 2. Using a straightedge, ruler, compass, and protractor as necessary, show why it is impossible to construct a triangle with sides of length 1.5 inches, 2.75 inches, and 5 inches. 3. Carefully construct triangle DEF with DE = 4 cm, EF = 6 cm, and angle DEF = 45º. Measure and record on your sketch the length of the third side and the measure of the other two angles. 4. Carefully construct triangle JPS with JP = 3 inches, angle SJP = 40º, and angle JPS = 75º. Measure and record on your sketch the length of the other two sides (rounded to the nearest eighth-inch). 5. True-False. A statement should be marked “false” if it is never true or if it is not necessarily true. If a statement is only sometimes true, mark it as “false.” Explain briefly why any true statements are true, and explain briefly why any false statements are false or give a counter example.

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139sp10exam3review - Math 13900 Exam 3 Review Problems...

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