Ad, bd, and cd are angle bisectors of the vertex angles of △abc. Cf=8 meters and cd=17 meters. What is de?.

Ireally don’t understand your problem do you have a better picture of it

One statement could be 12/4=3

1. statement- ca is parallel to db and e is the midpoint of ad reason- given2. statement- reason- alternate interior angles3. statement- de is congruent to ae reason- definition of midpoint4. statement- triangle aec is congruent to triangle deb reason- asa (angle side angle)