What I Know (Pre-Test) Instructions: Choose the letter of the correct answer. Write your chosen answer on a separate sheet of paper. 1. The Triangle Inequality Theorem states the sum of the length of any two sides of a the length of the third side. triangle is C. greater than A. equal to D. greater than or equal to B. less than D. 4, 18, 5 2. Which of the following are possible side lengths for a triangle? A. 5, 9, 15 C. 6, 7, 17 B. 5, 4, 6 3. Two sides of a triangle measure 15cm and 26 cm. The third side could measurs C. 11 cm D. 17 cm A. 5 cm B. 8 cm 4. What must be true about ZQ A. ZQRS > ZR B. ZQRS = LQ 5. In AABC, If AB = BC and AC > BC, then : A. mzB mzC C. m2B = mzA D. m/B= mzC 6. Which set could not represent the length of the sides of a triangle? A. {3, 4, 5) B. {2, 5, 9} C. {5, 10, 12} D. {7, 9, 11} 7. Name the smallest angle in this triangle. 6 5 B A. ZA B. LB C. ZC D. ZD 8. In AABC, mzA = 60, mzB = k, and mzC = k +2. What is the longest side of AABC? A. AB B. BC C. AC D. DA 9. In ARST, RS = x, ST = x + 1, and RT = x - 1. What is the smallest angle of ARST? A. ZR B. LS C. 4x D. ZT 10. Sara is building a triangular pen for her pet rabbit. If two of the sides measure 8 feet and 15 feet, the length of the third side could be A. 3 ft B. 7 ft C. 13 ft D. 23 ft A​