Question

ABCD and CDEF are two parallelograms

constructed on both sides of (CD).
Prove that ABFE is a parallelogram.​

Answer 1

Answer: ABFE is a parallelogram

Step-by-step explanation: If ABCD uses the same angles (AB) as ABFE does this can only mean that they are equal, therefore they are both parallelograms

Hope this Helps :)