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 November 8th, 2018, 09:15 AM #11 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038 Wonder why a "teacher?" would provide such a misleading diagram...
November 8th, 2018, 09:40 AM   #12
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Quote:
 Originally Posted by Denis Wonder why a "teacher?" would provide such a misleading diagram...
Good comment ))) here in this part of the world, memorizing things, making things difficult for students are considered "education", that is why )))

although there have been efforts lately to change that

thanks for helping

 November 8th, 2018, 10:23 AM #13 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038 Soooooo: teachers are turkeys??!!
 November 8th, 2018, 04:02 PM #14 Global Moderator   Joined: Dec 2006 Posts: 20,965 Thanks: 2214 The problem is easy if the angles at A and C are right angles. However, equal angles are not normally marked with a dot unless their value isn't being given. The problem is much more interesting if one doesn't assume that they are right angles. It seems that it's still the case that the value of x can be shown to be 2√6, but the angles at A and C needn't be right angles. For example, the diagram can be as shown below. Triangles.PNG
November 9th, 2018, 12:08 AM   #15
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Quote:
 Originally Posted by Denis Soooooo: teachers are turkeys??!!
"creative" joke

Last edited by ketanco; November 9th, 2018 at 12:50 AM.

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