Question 4 10 pts If ∆ABC ≅ ∆XYZ and AB = 8, BC = 10, AC = 15, and XZ = 3x - 6, then x Question 5 10 pts If ∆LMN ≅ ∆RST, then * = ? Given that LM = 10, MN = 14, LN = 18, and ST = Sx + 4
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25 Since ^ABC and ^XYZ are congruent, cos(ABC) = cos(XYZ). Using the same formula as above, we can solve for XZ: cos(XYZ) = (YZ^2 + XZ^2 - XY^2) / (2YZ*XZ) cos(XYZ) = (YZ^2 + (3x-6)^2 - XY^2) / (2YZ*(3x-6)) cos(XYZ) = -0.25 Simplifying the equation, we get: YZ^2 + Show more…
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