Arc Length
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Flip to reveal answersArc length formula with theta in radians?
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All 4 Flashcards — Arc Length
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Question
Arc length formula with theta in radians?
Answer
s = r theta
💡 Hint
Radians version is direct and fastest.
Question
Arc length formula with theta in degrees?
Answer
s = (theta/360) * 2pi r
💡 Hint
Convert carefully from part of full circle.
Question
Why radians are preferred in IB?
Answer
Many formulas become simpler and less error-prone.
💡 Hint
Especially for arc and sector formulae.
Question
Arc length contextual cue?
Answer
Distance traveled along circular path, not straight line.
💡 Hint
Arc is curved perimeter part.
Read the notes
Full study notes for Arc Length
Topic 3.4 hub
Circle arc length and area of sector (degrees)
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