drag a statement or reason to each box to complete this proof. given: the measure of angle a b d equals 60 degrees. the measure of angle d b c equals 40 degrees. prove: triangle a b c is an obtuse triangle. art: triangle a b c with horizontal base b c is drawn. a bisector b d is drawn on a c. the bisector divides a c into two parts a d and d c. put responses in the correct input to answer the question. select a response, navigate to the desired input and insert the response. responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. responses can also be moved by dragging with a mouse. statements reasons 1. m∠abd