PSAT Math Flashcards: Circles

Study Circles in PSAT Math with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

State the chord-chord power theorem: chords intersect at $E$ with segments $AE,EB$ and $CE,ED$ .

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ANSWER

$AE\cdot EB=CE\cdot ED$ . Products of chord segments are equal at intersection.

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All flashcards

53 cards

What this deck covers

This deck focuses on Circles, giving you a quick way to review the definitions, rules, and examples that matter most for PSAT Math.

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 50Practice questions for this set

Refer to the figure. In circle

O

, arc

AB = 80°

and arc

CD = 30°

, where chords

AC

and

BD

extended meet at external point

P

. What is the measure of

\angle APB

Choose an answer

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