geometry
posted by jithu .
how can i inscribe an angle 9 and 3/8 degrees in a circle of radius 2 cm?

geometry 
Steve
It's a bit tricky, but you picked a good angle.
9 3/8 degrees is 1/8 of 75 degrees.
75 = 9015.
Make a 60deg angle and bisect it twice. That will give you 15deg.
Subtract that from 90deg, and you will have 75deg.
Bisect that angle 3 times, and you will have 9 3/8 degrees.
*whew*
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