Find sector area and arc length in terms of pi
Find the fraction of the circle: angle ÷ 360°.
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An arc has a central angle of 285° on a circle with radius 24 cm. What is its length? Write it as a multiple of π.
Answer: 38π
An arc has a central angle of 180° on a circle with radius 6 cm. What is its length? Write it as a multiple of π.
Answer: 6π
An arc has a central angle of 240° on a circle with radius 9 cm. What is its length? Write it as a multiple of π.
Answer: 12π
Tip: Find the fraction of the circle: angle ÷ 360°.
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