The figure shows triangle DEF and line segment BC, which is parallel to EF:

Triangle DEF has a point B on side DE and point C on side DF. The line BC is parallel to the line EF.

Is triangle DEF similar to triangle DBC? Explain your answer. (10 points)

Question

The figure shows triangle DEF and line segment BC, which is parallel to EF:

Triangle DEF has a point B on side DE and point C on side DF. The line BC is parallel to the line EF.

Is triangle DEF similar to triangle DBC? Explain your answer. (10 points)

nuccioreggie · Answer

@AlexandervonHumboldt2

alexandervonhumboldt2 · Answer

yes because angle edf is congruent to edf and angle DCB is congruent  DFE.
these triangles are similar by 2 angles.