Ok! So let's say you have an angle of 180 degrees. You make 180 a decimal, (.180) and divided it by 360. (Like the 360 degrees in a circle.) So:
.180 / 360.
.180 / 360= .5 or, 50%.
Another Example:
You start off w/ 90 degrees and make it .90
.90 / 360= .25 or 25%
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If three central angles measures 65, 87, and 112, find the measure of the fourth central angle.
If the central angle is 70 and the radius is 8cm, how do you find out the chord lenght?
64
If the radius is 8cm and the central angle is 70, how do yu workout the chord lenght?
1