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QuizMultiple Choice

Congruent and Similar Triangles in the Coordinate Plane (Sec 9-2)

Question 1 • Mathematics for College Liberal Arts Sem 2 (1207350) BCPS 2026-27

The vertices of triangle ABC are A(2,3), B(–1,2), and C(3,1). If ΔDEF ∼ ΔABC and DE = 4AB, what is the length of EF?

Answer
A
√10
B
√17
C
4√10
D
4√17
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