Question 33786
<pre><font size = 5><b>What is the degree measure of arc ABC, when arc 
ABC = 75 cm. and the circumfrence is 600 cm?

Let x° be the degree measure
Substitute in this proportion:


degree measure of arc     arc length
—————————————————————— = ————————————— 
        360°             circumference


                   x°    75cm
                 ————— = —————
                  360°   600cm


                   x      75
                 ————— = —————
                  360     600

Can you solve that?  If not post again.
Answer = x° = 45°

Edwin
AnlytcPhil@aol.com</pre>