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  1. If the base angles of the isosceles triangle is 80 the acute angle = 20, (80 + 80 + x =180) Angle AED = 60 Angle AEC = 40 Angle AEB = 20

    2 Answers · Science & Mathematics · 14/10/2008

  2. ...360 degrees (1 unit of arc length = 1 degree) So, Angle AEC = 110 degrees.

    1 Answers · Science & Mathematics · 21/08/2007

  3. ...;bed = 135º <dea = 45º <aec = 135º

    2 Answers · Science & Mathematics · 11/09/2009

  4. AEB + AEC = 180 degrees. ...and you have AEC from my answer to your earlier question.

    1 Answers · Science & Mathematics · 15/10/2015

  5. By drawing out exactly what you described, we see that angle AEC subtends arc AOC. Since since AOC is the diameter...

    3 Answers · Science & Mathematics · 03/06/2013

  6. we need a picture to go with this.....

    1 Answers · Science & Mathematics · 05/03/2008

  7. ...½*EB* the altitude to A. The area of ΔAEC would be ½*EC* the altitude to A. Since EB...

    3 Answers · Science & Mathematics · 27/04/2008

  8. ... is HALF of the angle at the top of the pyramid, so the angle AEC is 40.76 * 2 = 81.52 (degrees) 81.5deg

    1 Answers · Science & Mathematics · 21/12/2008

  9. ...get you to understand the concepts ... 1) The two triangles AEC and AEB are congruent due to the Side/Angle/Side...

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

  10. ...=CE along with the included angles: Angle AEC = Angle AED = Angle BED = Angle BEC...

    3 Answers · Science & Mathematics · 10/11/2009

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