3 years ago

Please help, due soon. Find the length of each arc. Use exact answer

Mathematics

1 answer:

Anna007 [38]3 years ago

8 0

Answer:

Step-by-step explanation:

The arc length is calculated as

arc = circumference of circle × fraction of circle

= 2πr × $\frac{285}{360}$

= 2π × 18 × $\frac{19}{24}$

= 36π × $\frac{19}{24}$ ( cancel 36 and 24 by 12 )

= 3π × $\frac{19}{2}$

= $\frac{57\pi }{2}$ → C

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