Question: please help fill in the blank Given: LCBD = LEFD & CB = EF Prove: ABDF is isosceles triangle Statement Reason 1. LCBD = LEFD

please help fill in the blank

please help fill in the blank Given: LCBD = LEFD
Given: LCBD = LEFD & CB = EF Prove: ABDF is isosceles triangle Statement Reason 1. LCBD = LEFD 1. Given 2. CB = EF 2. Given 3. LCDB = LEDF 3. 4. ACBD = AEFD 4. 5 . 5. 6. ABDF is isosceles 6. triangle CPCTC SAS Congruence theorem CD - ED Reflexive property Definition of isosceles triangles Vertical angles theorem AAS Congruence theorem Definition of right triangles BD = FD Alternate interior angles theorem

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