20 POINTS!! Find the m∠ABC, if m∠DCE = 50° and ∠DEC is a right angle. 40° 50° 90° 180°

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Samuel Phan · Answer 1 · 2019-08-10T05:39:19+0000

Answer: The answer is 40 degrees

Step-by-step explanation: Angles CDE and ABC are congruent and the sum of the other angles together is 140 degrees. Since all triangles add up to 180 degrees 40 degrees is left.

20 POINTS!! Find the m∠ABC, if m∠DCE = 50° and ∠DEC is a right angle. 40° 50° 90° 180°

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