Geometry Flashcards: Trigonometric Ratios From Right Triangle Similarity

Study Trigonometric Ratios From Right Triangle Similarity 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 from triangle $\triangle ABC$ to $\triangle DEF$ if $AB=6$ and $DE=9$ are corresponding?

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ANSWER

$k=\frac{9}{6}=\frac{3}{2}$ . Scale factor is the ratio of corresponding sides.

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What this deck covers

This deck focuses on Trigonometric Ratios From Right Triangle Similarity, 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 39Practice questions for this set

A right triangle

\triangle RST

is drawn with a right angle at

S

. Angle

T

is acute and labeled. The hypotenuse is the side opposite the right angle. Which ratio represents

\cos(\angle T)

Choose an answer

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