Back to Explain similarity transformations — Problem 1 · 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
Work through problems with immediate feedback
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Warm-Up: Review What You Know

These problems review skills from earlier lessons.

1.

A dilation centered at the origin maps triangle ABCABC onto triangle ABCA'B'C' with scale factor k=3k = 3. If AB=5AB = 5, what is ABA'B'?