5. Triangle ABC has been dilated from center D to form triangle RST 10 T 5 R A D 10 If the length of the segment AC = x, which is the length of the segment RT? 6. B(1) ((88 (117) 18,3 9+ so Jus In the diagram below, GRS ART, GR = 36, SR = 45, AR = 15, and RT = 18. 36 45 15 43 36 S R 18 15 45 18 T 2.5 2:25 S Is AGRS AART? Explain 7. Alex designed a plan for a large mosaic wall, including a scale model below. 12 cm 10 cm The wall is 10 m wide and 7 m high. What are the dimensions of the largest mosaic he can make on that wall? Explain. . He will use 2 cm square tiles to make his mosaic. How many tiles will he need? Explain how you found your answer.