NAME __________________________________________ DATE ____________ PERIOD _______ Lesson 3 Extra Practice Slope and Similar Triangles Graph each pair of similar triangles. Then write a proportion comparing the rise to the run for each of the similar slope triangles and determine the numeric value. 1. ABC with vertices A(1, 2), B(5, 4), and C(5, 2); QRS with vertices, Q(4, 1), R(8, 5), and S(8, 1) 3. RST with vertices R(9, 2), S(9, 4), and T(6, 2); XYZ with vertices, X(3, 4), Y(3, 0), and Z(3, 4) 2. PQR with vertices P(3, 2), Q(3, 6), and R(7, 2); LMN with vertices, L(0.5, 2), M(0.5, 4), and N(2, 2) 4. DEF with vertices D(5, 6), E(5, 4), and F(4, 4); GHI with vertices, G(3, 2), H(3, 4), and I(0, 4) Course 3 • Chapter 3 Proportional Relationships and Slope NAME _____________________________________________ DATE ____________________________ PERIOD ____________ Lesson 3 Homework Practice Slope and Similar Triangles Graph each pair of similar triangles. Then write a proportion comparing the rise to the run for each of the similar slope triangles and determine the numeric value. 1. ∆EFG with vertices E(1,9), F(1,5), and G(2,5); ∆GHI with vertices G(2,5), H(2,1), and I(3,1) 2. ∆JNL with vertices J(–3,3), N(–3,–3), and L(5,–3); ∆KML with vertices K(1,0), M(1,–3), and L(5,–3) 3. ∆RST with vertices R(1,6), S(1,–6), and T(–3,–6); ∆UVW with vertices U(–1,0), V(–1,–3), and W(–2,–3) 4. ∆DEF with vertices D(–6,5), E(–6,2), and F(–2,2); ∆FMW with vertices F(–2,2), M(–2,–4), and W(6,–4) Course 3 • Chapter 3 Proportional Relationships and Slope
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