/Tag: Arc lengths
5 11, 2016

Arc Length

By |2016-11-05T06:38:56+10:00November 5th, 2016|Tags: , , , |0 Comments

Arc Length $$L=\theta\;r$$ worked examples further examples harder examples a. $$8\pi=\frac{2\pi}{3}\times\;r$$ $$24\pi=2\pi\;r$$ r = 12 units b. segment XPY A = ½ r2(θ - sin θ) A = ½ × (12√3)2($$\pi$$/3 - sin $$\pi$$/3) A = 216($$\pi$$/3 - √3/2) u2 A = [...]

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