10-2B HG Live Review

Arc Lenth Review

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Q1: Find the length of the bolded arc to the nearest hundredth.

 $l=\frac{303}{360}\cdot26\pi$  

• Simplify:   $l=\frac{101}{120}\cdot26\pi$  

•                  $l=\frac{101}{60}\cdot13\pi$  

• Multiply:   $l=\frac{1313\pi}{60}$  

•  $l\approx68.75\ m$  

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Q2: Find the length of Arc MKL in terms of pi. (Unicode: Ctrl+ Shift+ U, then 03C0 for $\pi$ . 

 $l=\frac{218}{360}\cdot10\pi$  

• Simplify:   $l=\frac{218}{36}\cdot1\pi$  

•                   $l=\frac{109}{18}\cdot\pi$  

•  $l=\frac{109\pi}{18}$  m

• U+03C0

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Arcs & Chords