Geometry Flashcards: Dilations Change Length By Scale Factor

Study Dilations Change Length By Scale Factor in Geometry with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the scale factor $k$ if a segment is halved in length by a dilation?

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ANSWER

$k=\frac{1}{2}$ . Halving means multiplying by $\frac{1}{2}$ .

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What this deck covers

This deck focuses on Dilations Change Length By Scale Factor, giving you a quick way to review the definitions, rules, and examples that matter most for Geometry.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 17Practice questions for this set

In the coordinate plane, triangle

ABC

is dilated about center

O

with scale factor

k=\tfrac{3}{2}

to form triangle

A'B'C'

. How does the length of segment

\overline{AB}

compare to the length of its image

\overline{A'B'}

Choose an answer

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