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OpenStudy (anonymous):
what is the degree measure of ADC if the circumference = 200cm and measure angle ABC = 45cm?
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OpenStudy (anonymous):
I assume that the 45cm is an arc on the circumference. If this is true, then you must find the ratio of 45 to 200, which comes to 22.5/100 when dividing by 2. So the angle you're looking for is 22.5% of a circle, which means the angle you're looking for is 22.5% of 360 degrees. Does this make sense?
OpenStudy (anonymous):
yes! thank you
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