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Angle

**AEC**= Angle DEB = 4x degrees Angle Formed by...2 Answers · Science & Mathematics · 15/05/2017

1) P is the orthocenter of

**AEC**(point where altitudes intersect) explanation: ...previously said that P is the orthocenter of**AEC**, so all lines passing from a vertex through...1 Answers · Science & Mathematics · 27/08/2009

1) m<

**AEC**= m<DEB (vertically opposite angles) => x + 10 = 2x...2 Answers · Science & Mathematics · 03/03/2010

...,B,C, and D in that order. AEB + BEC =

**AEC**BEC + CED = BED**AEC**- BED = AEB + ...1 Answers · Science & Mathematics · 15/11/2008

Triangles

**AEC**and BDC are similar triangles. They are both...3 Answers · Science & Mathematics · 22/10/2007

Angles

**AEC**and BED are equal because they are vertically opposite. Angles...3 Answers · Science & Mathematics · 03/08/2015

angle

**AEC**=angle BED from theorem in Geometry therefore; 5x-20=x+52 5x-x=52+20 4x=72 x=18 therefore, angle**AEC**=BED=5(18)-20= 18+52= 70 THE SUM OF ALL ...2 Answers · Science & Mathematics · 30/01/2011

... from it (I'm assuming)? If angles

**AEC**and BEC are supplementary (sum equal to 180 degrees), then x = 25...3 Answers · Science & Mathematics · 29/10/2006

Triangles

**AEC**and AEB are congruent: BE = EC, (given) ...3 Answers · Science & Mathematics · 01/03/2008

...39;re from BANGLADESH. since you mentioned that <

**AEC**is 90° then line AE must be line on the plane DC and E...4 Answers · Science & Mathematics · 02/05/2012

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