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Line CD makes a straight angle (180°) Therefore 3x+40+2x=180° 5x+40=180 5x=140 x=28° Now m ang

**AEC**= 3x+40 so putting the value of x ...3(28)+40=124°3 Answers · Science & Mathematics · 04/06/2015

...of Triangle ACE. The third angle, Angle

**AEC**is 180 - 30 - 35 = 115 degrees. Angle BDE is...1 Answers · Science & Mathematics · 14/03/2015

...(DEA) (alternate interior angles) Angle1+Angle(

**AEC**) = 180° (corresponding angles) Similarly Taking...1 Answers · Education & Reference · 05/05/2015

∟

**AEC**= 2x + 40 ∟CEB = x + 20 ∟**AEC**+ ∟CEB = 180° i.e. straight line AB 2x + 40 + x + 20 = 180° 3x + 60 = 180° 3x = 120° x = 40°2 Answers · Education & Reference · 13/02/2015

...see that we already have two angles. To find the third angle (∠

**AEC**), we know that: 3a + a + m∠**AEC**= 180 ⇒ m∠**AEC**= 180 − 4a ...1 Answers · Education & Reference · 08/09/2014

... arcs. 4x = (1/2)(120 + 2x) 4x = 60 + x 3x = 60 x = 20

**AEC**= 4x = 4*20 = 80**AEC**= 80º m082120141 Answers · Education & Reference · 21/08/2014

...the angles of any triangle add up to 180 degrees so <

**AEC**= 90 degrees.1 Answers · Science & Mathematics · 13/06/2014

Maybe there is a typo in the assignment Anyway angles DCE and CAE are equal DCE = 180 - 74 -

**AEC**check the actual value of**AEC**(which cannot be 252) and plug it in the previous relation2 Answers · Science & Mathematics · 21/05/2014

... a link to a basic kit: http://www.allelectronics.com/make-a-store/item/

**aec**/led-chaser-kit/1.html Good Luck.3 Answers · Computers & Internet · 12/04/2014

...three new triangles are created: DAB, BCF and

**AEC**. 2) Because the sides of these three triangles that ...1 Answers · Education & Reference · 03/04/2014

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