Back to Explain similarity transformations — Problem 4 · Task Set 15

Exercises: Define Similarity Using Transformations

Work through each section in order. Show your reasoning where indicated. For problems involving figures, identify corresponding parts before checking ratios or angles.

Grade 9·21 problems·~28 min·Common Core Math - HS Geometry·standard·hsg-srt-a-2

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Fluency Practice

$Two rectangles: ABCD with dimensions 4 by 10, and EFGH with dimensions 6 by 15$

Rectangle $ABCD$ has dimensions $4 \times 10$ . Rectangle $EFGH$ has dimensions $6 \times 15$ . What is the scale factor $k$ from $ABCD$ to $EFGH$ ?