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atroni [7]
2 years ago
15

Can someone please help me on this?

Mathematics
2 answers:
irina1246 [14]2 years ago
8 0

Answer:

\frac{9\pi }{4} inches

Step-by-step explanation:

I suppose they are asking you for the length of the red part.

18\pi \\ * \frac{45}{360} = \frac{9\pi }{4} inches

Hoochie [10]2 years ago
4 0

Answer:

L = 7.07 in

Step-by-step explanation:

L = arc lenght

L=\frac{\pi (45)(9)}{180} =2.25\pi =7.07in.

Hope this helps

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