Geometry Flashcards: Triangle Similarity Theorems And Pythagorean Theorem

Study Triangle Similarity Theorems And Pythagorean Theorem in Geometry with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

If $\triangle ABC \sim \triangle DEF$ and $\frac{AB}{DE}=\frac{2}{5}$ , what is $k$ from $ABC$ to $DEF$ ?

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ANSWER

$k=\frac{5}{2}$ . Scale factor is the reciprocal: $k = \frac{1}{\frac{2}{5}} = \frac{5}{2}$ .

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What this deck covers

This deck focuses on Triangle Similarity Theorems And Pythagorean Theorem, 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 diagram,

\triangle ABC

is right at

C

, and altitude

CD

is drawn to hypotenuse

AB

with

CD \perp AB

. Let

AD=x

DB=y

, and

AB=c

. Which proportion leads to the Pythagorean relationship by combining results from the similar triangles?

Choose an answer

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