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.

Submitted by Brian Smith

Rating: 3.2500 (4 votes)

Solution: (Hide)

Angle MBC is 30°.
Analytic solution by Jer
Trigonometric solution by Charlie

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
answer	K Sengupta	2008-03-09 12:45:47
A new aproach	vije	2004-07-20 05:41:40
Bibidibabidiboo	vije	2004-07-14 05:01:38
Wierd	vije	2004-07-10 10:38:30
re: Generalization	Richard	2004-06-14 19:33:34
Generalization	Nick Hobson	2004-06-12 18:57:21
re: Solution - another method	Charlie	2004-06-11 13:10:59
re: Solution - another method -Nice!	Jer	2004-06-11 12:04:19
Solution - another method	Telly	2004-06-11 10:42:54
re: Solution (unproven) - proven	Erik O.	2004-06-11 09:51:39
Subject lines aren't editable, are they?	Jer	2004-06-11 09:44:37
re: Solution (unproven)	Danny	2004-06-11 09:38:43
solution	Charlie	2004-06-11 09:35:30
re: Solution (unproven)	Jer	2004-06-11 09:32:00
just a guess.	Danny	2004-06-11 09:23:01
Solution (unproven)	Jer	2004-06-11 09:13:13

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