Course 3 Mod 1 Topic 1 Lesson 2 Pre-Test

Suppose that ∆JKL is similar to ∆PQR. Identify the corresponding angles.

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Suppose that ∆JKL is similar to ∆PQR. State the relationships between the corresponding angles.

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Suppose that ∆JKL is similar to ∆PQR. Identify the corresponding sides.

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Suppose that ∆JKL is similar to ∆PQR. State the relationship between the lengths of the corresponding sides.

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Suppose that ∆JKL is similar to ∆PQR. Determine the lengths of JL and KL if JK = 14 inches, PQ = 8 inches, PR = 3 inches, and QR = 7 inches.

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Triangle BOT has vertices with coordinates B (-3, -2), O (2, -1), and T (-2, 3).

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Dilate ∆FUN using the origin as the center of dilation and a scale factor of 1/2 to form ∆F′U′N′. What are the coordinates of the dilated image?

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Dilate ∆FUN using the origin as the center of dilation and a scale factor of 3 to form ∆F′U′N′. What are the coordinates of the dilated image?

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Dilate ∆FUN using the origin as the center of dilation and a scale factor of 1/2 to form ∆F′U′N′. Is the dilation an enlargement or a reduction? Explain your reasoning.

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Dilate ∆FUN using the origin as the center of dilation and a scale factor of 3 to form ∆F′U′N′. Is the dilation an enlargement or a reduction? Explain your reasoning.

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