# Yahoo Web Search

1. ### Could someone help explain this problem to me?

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. ### Help with Mathematics?

... 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. ### Could someone help explain this to me?

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. ### Congruency Proof????????????

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

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

5. ### congruency proof help??

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. ### How to solve this geometry question?

...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

... 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. ### Can someone please solve Euclid's proof of the Pythagorean Theorem?

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. ### Who can explain "The Bride's Chair" - Pythagorean Theorem?

... 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