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Name Class Date Chapter 5 Test Form G Do you know HOW? Find the value of x. 1. 2. Identify the two statements that contradict each other. 3. III. A and B are obtuse angles. III. mA = 110 III. A and B are supplementary. 4. III. ABCD is a quadrilateral. III. ABCD is a square. III. mA > mD List the angles of ∆ABC from smallest to largest. 5. AB = 3, BC = 4, CA = 5 6. AB = 20, BC = 12, CA = 10 List the sides of ∆ABC from shortest to longest. 7. mA = 30, mB = 60, mC = 90 8. mA = 100, mB = 20, mC = 60 Algebra Find the value of x. 9. 10. 11. 12. ∆ABC has the vertices A(1, 4), B(3, 4), and C(1, 1). Find the coordinates of each point of concurrency. 13. circumcenter of ∆ABC 14. orthocenter of ∆ABC Prentice Hall Gold Geometry • Teaching Resources Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 73 Name Class Date Chapter 5 Test (continued) Form G In each triangle, O is the centroid. Find the value of x. 15. 16. Do you UNDERSTAND? 17. Reasoning Use indirect reasoning to show that an equilateral triangle cannot have a right angle. 18. The base of an isosceles triangle has a length of 25. What can you say about the lengths of the legs? 19. Reasoning Use indirect reasoning to show that a triangle cannot have more than one obtuse angle. 20. Writing Explain how the Triangle Midsegment Theorem can be used for indirect measurement. 21. In the figure at the right, what can you conclude about point B? Explain. Prentice Hall Gold Geometry • Teaching Resources Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 74