1. Order the steps for writing an indirect proof. A. 2, 1, 3 B. 2, 3, 1 C. 3, 2, 1 D. 1, 2, 3 Hint 2. In and Which inequality shows the relationship between the lengths of the sides of the triangle? A. GI > GH > HI B. GH < HI < GI C. GH > GI > HI D. GH < GI < HI Hint 3. The _______________ states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side. A. Triangle Inequality Theorem B. Definition of a Triangle C. Definition of an Inequality D. Triangle Equality Theorem Hint 4. If the measures of two sides of a triangle are 3 and 1, between what two numbers must the measure of the third side fall? A. 2 and 4 B. 1 and 3 C. 1 and 7 D. 2 and 5 Hint 5. Refer to the figure. Which statement is never true? A. If EG = 6, ED = 8, and then FG = DF. B. If FG = 4, EGDE = 6, then EF < 18. C. If DF = 20, FG = 13, and EG = 15, then EF = 11. D. If is obtuse, then EG > EF. Hint 6. If , which relationship is true? A. B. C. D. Hint 7. CPR has vertices C(15, 1), P(9, 11), and R(2, 1). Determine the coordinates of point A on so that is a median of CPR. A. B. C. D. (12, 6) Hint 8. Which statement can be proven using the SSS Inequality Theorem? A. CD = AP B. mBAC < mPDA C. mPDA < mBAC D. mB > mBCD Hint 9. The __________ is the point of concurrency of the angle bisectors of a triangle. A. centroid B. circumcenter C. incenter D. orthocenter Hint 10. State the assumption that could be used to start an indirect proof of the statement Points A, B, C, and O are coplanar. A. Points A, B, C, and O are collinear. B. Points A, B, C, and O are coplanar. C. Points A, B, C, and O form a quadrilateral. D. Points A, B, C, and O are not coplanar. Hint