Question Given:
BC I DE and ABC and AED are complementary.
Prove: ABC and ACB are complementary. Note: quadrlateral properties are not permitted in this proof.
BC I DE given
LABC and AED are complementary given
ED = DE Reflexive
BC = CB Reflexive
AED = ACB Parallel lines cut by transversal

what comes next?​

Question Given BC I DE and ABC and AED are complementary Prove ABC and ACB are complementary Note quadrlateral properties are not permitted in this proof BC I D class=