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  1. You have three different proofs a, b and c. You're supposed to pick which one is valid. For instance the first step is that AOC = BOD. Which reason is correct? Is it because they are vertical...

    1 Answers · Science & Mathematics · 17/09/2012

  2. ... So triangle ACE is isosceles with angle ACE = angle AEC Triangle BCE and triangle FEC are congruent (by the side...

    1 Answers · Science & Mathematics · 23/01/2013

  3. 1) The two large triangles are congruent by SAS because you are given two sides and an angle between that are congruent 2) ASA, the sides given as congruent are between the congruent angles 3) reflexive , it...

    1 Answers · Science & Mathematics · 20/10/2009

  4. a.SSS b.ASA c.SAS what's the meaning of these acronyms?

    3 Answers · Science & Mathematics · 15/05/2009

  5. ASA AM = AM because reflexive So triangle AMB congruent triangle AMC because ASA Thus BM = CM because CPCTC angle BMK congruene angle CMK gecause thet are supplements of equal...

    3 Answers · Science & Mathematics · 15/05/2009

  6. ...130 + a = 10 + a CED = 180 - (20 + CDE) = 180 - (20 + (10 + a)) = 150 - a AEC = 180 - (20 + 10) = 150 = a + CED Is that enough to work with?

    3 Answers · Science & Mathematics · 30/11/2010

  7. ... an altitude from C to E, you'd have a right triangle AEC (right angle at C), with legs of lengths 6ft (CE) and 20ft...

    1 Answers · Science & Mathematics · 09/01/2013

  8. I think the explanation is very good in wikipedia, don't need any more than that. It should be very understandable.

    1 Answers · Science & Mathematics · 24/05/2011

  9. ... parallel to AF. Likewise, the triangles AEC and AEM have the same area, because they have the same base (... applet should make the idea very clear. http://www.cut-the-knot. org /pythagoras/morey.shtml

    4 Answers · Science & Mathematics · 28/04/2008

  10. a,b,c,a,b

    1 Answers · Science & Mathematics · 04/05/2010

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