How do you do 12x-8-12 by combining like terms

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

M. xyz =radians. covert this radian measure to its equivalent measure in degrees.