9) A theorem from lesson 6.05 stated that congruent chords have
congruent arcs. Given this theorem, what is the measure of minor arc AB?
B
|
(2x - 10°
А
E
(x + 30)°

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. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap