Answer:
Explanation:
Scale Factor of Triangle STU to Triangle PQR = 15 : 10 = 3 : 2
Scale Factor of Triangle PQR to Triangle STU = 2 : 3
Scale Factor of Trapezoid EFGH to Trapezoid JKLM = 5 : 10 = 1 : 2
Scale Factor of Trapezoid JKLM to Trapezoid EFGH = 2 : 1