perplexus.info :: Geometry : Another Point In A Square

Another Point In A Square (Posted on 2004-06-11)

There is a point M inside a square ABCD such that angle MAB is 60° and angle MCD is 15°. Find angle MBC.

See The Solution Submitted by Brian Smith

Rating: 3.2500 (4 votes)

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Solution (unproven)

| Comment 1 of 16

An accurate sketch using geometer's sketchpad gives 30 degrees.

I'm working on a proof.

-Jer

Posted by Jer on 2004-06-11 09:13:13

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