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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

... you do, you will see that triangle ADF is similar to triangle

**AEC**(they're both right triangles, and they share angle A) ...1 Answers · Science & Mathematics · 19/03/2014

...and BCD are congruent [bisection of angle ACB] Triangles

**AEC**and BDC are similar [angle-angle similarity] Angle**AEC**...3 Answers · Science & Mathematics · 21/05/2013

... in H. That is (ab^(-1))(bc^(-1)) = ab^(-1)bc^(-1) =

**aec**^(-1) = ac^(-1) ∈ H. (Used the associativity property there in the middle...1 Answers · Science & Mathematics · 15/05/2013

Draw the diagram to show the geometry. m∠

**AEC**= 4x, mAC = 120, and mDB = 2x. There is an ...2 Answers · Science & Mathematics · 27/03/2013

in the given figure ABDE is a trapezium where AE & DB are parallel so alternate angles are equal angle x = angle DCE = angle

**AEC**= 49 degrees.....................answer1 Answers · Science & Mathematics · 16/03/2013

Yes, 3m∠BEC means to multply ∠BEC by three. "m" is read "measure". So 3m∠BEC is simply 3 times the measure of ∠BEC.

2 Answers · Science & Mathematics · 10/02/2013

... 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

... 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