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INFINITE SUM
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Geometry and Trigonometry · Arc Lengths and Areas of Sectors

Practice · Arc Lengths and Areas of Sectors

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Question 1 of 5Solve it — one move at a time
Figure for this question

AB is an arc of a circle with radius 27. The central angle AOB is 40°. Find the length of arc AB.

Work through it one move at a time.

Set upL=θ3602πrL = \frac{\theta}{360^\circ}\,2\pi rWatch the setup (1:27)

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