Worth 20 points if answered correctly. given: △abc, bd¯¯¯¯¯ bisects ∠abc prove: ad/dc = ab/bc statements reasons 1 △abc , bd¯¯¯¯¯ bisects ∠abc given 2 ∠aeb≅∠dbc (section a.) 3 ∠dbc≅∠abd definition of bisector 4 ∠aeb≅∠abd transitive property 5 ∠abd≅∠bae alternate interior angles theorem 6 ∠aeb≅∠bae (section b.) 7 ab = eb converse of isosceles base angle theorem 8 ad/dc = eb/bc (section c.) 9 ad/dc = ab/bc substitution property answer options: 1. transitive property 2. corresponding angles theorem 3. triangle proportionality theorem 4. alternate exterior angles theorem 5. angle addition postulate note: pick the answer number for which section it belongs to.