Two similar triangles are given. Find the proportionality constant k such that the length of each side of the larger triangle is k times the length of the sides of the smaller triangle. Then find the length of the missing sides of each triangle.
A. k = 7.5; JL = 54, MN = 3
B. k = 4.5; JL = 36, MN = 4
C. k = 6; JL = 54, MN = 4
D. k = 3.6; JL = 36, MN = 5
Answer: B
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