Question on Arc Length (NEED HELP ASAP!!)

[From: ] [author: ] [Date: 11-12-02] [Hit: ]

I need some help with the following question:
The area of a circle is 32Pi cm^2. Find the exact value of the arc length of half of this circle.

pir^2=32pi
r^2=32
r=4sqrt2

2pir is the length of the circle, half of it is 4sqrt2xpi

keywords: HELP,NEED,Arc,on,ASAP,Length,Question,Question on Arc Length (NEED HELP ASAP!!)