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Well Balanced Letter: C (Posted on 2007-05-10) Difficulty: 2 of 5
A letter C is in the form of a sector from a unit circle from which a smaller concentric circle has been removed. The goal in each case is the have the center of gravity at the inner edge of the letter.

Case 1: Find the angle of the sector if the inner radius is .5

Case 2: Find the inner radius if the angle of the sectors is 270 degrees.

The center of gravity or centroid of a sector can be found using a formula given here:
http://mathworld.wolfram.com/CircularSector.html

No Solution Yet Submitted by Jer    
Rating: 2.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionIterative computer solution--is there an analytic one?Charlie2007-05-10 19:28:32
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