##### Ads

related to**AEC**

Sort by

- Relevance
- |Time

... cyclic, ABC + A1EC1 = 180, so we end up with a + b = 60, or

**AEC**= 120. Using the cosine law for the area of the triangle**AEC**gets...2 Answers · Science & Mathematics · 24/11/2007

...angle is 90-45 = 45 since the angles of the triangle add to 180, angle

**AEC**is 180°-55°-45° = 80°5 Answers · Science & Mathematics · 15/10/2007

...also 50 Triangle ACE is isosceles; since BAE = 50,

**AEC**is also 50. Since ABDE is an isosceles trapezoid, ...1 Answers · Science & Mathematics · 03/10/2008

... standing on AB: 72°/2 = 36° Similarly, angle

**AEC**at the circumference is half angle AOC at the centre since they...1 Answers · Science & Mathematics · 13/09/2009

... any sense)] 4) mangAEB = mangCED [Because angle

**AEC**overlaps a part of angle BED so subtract that shared portion...3 Answers · Science & Mathematics · 26/02/2011

It's C since they're perpendicular at E the angle

**AEC**would be 90º4 Answers · Science & Mathematics · 05/09/2010

.... By a similar reasoning, BC ≅ AC if ∠

**AEC**≅ ∠BEC. How then would those pairs of angles be congruent...2 Answers · Science & Mathematics · 22/09/2010

... the measure of Arc AC = 100 and the Measure of angle

**AEC**= 70 find the measure of Arc BD. Angle**AEC**= Angle...1 Answers · Science & Mathematics · 06/06/2010

... Rule and the Quadratic Formula. In triangle

**AEC**, let AE = x, then, noting that EC = r and AC = 3r, we...4 Answers · Science & Mathematics · 04/03/2007

...120°. So the exterior angle is 180-120 = 60°. 3. a) m<

**AEC**+ m<AED = 180, so 2x + 10 + 3x - 30 = 180 => 5x = 200 =>...1 Answers · Science & Mathematics · 06/05/2007

##### Ads

related to**AEC**