10 on pretest
does anyone have a suggestion as to how to find the angle of the arc, or a better idea? thanks
posted by battlejoe18 at 3:15 PM
Thursday, March 22, 2007
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3 Comments:
One way of finding the angle is to take the measure of the arc and divide it by the circumference of the circle. Take that ratio and multiply by 360 to get the angle of the arc.
Then use law of cosine to figure out the length x.
One way of finding the angle is to take the measure of the arc and divide it by the circumference of the circle. Take that ratio and multiply by 360 to get the angle of the arc.
Then use law of cosine to figure out the length x.
and what is the best way to find the measure of the arc?
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