Question

20 POINTS!!

Find the m∠ABC, if m∠DCE = 50° and ∠DEC is a right angle.

40°
50°
90°
180°

Answer 1

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.

Answer 2

Answer:

40

Step-by-step explanation: