If two parallelograms ABCD and ABEF are on the same base AB and between the same parallels AB and FC, then prove that ar(ABCD) = ar(ABEF)

If two parallelograms ABCD and ABEF are on the same base AB and betwee

1.	If two parallelograms ABCD and ABEF are on the same base AB and between the same parallels AB and FC, then prove that ar(ABCD) = ar(ABEF)
Answer» If two parallelograms ABCD and ABEF are on the same base AB and between the same parallels AB and FC, then prove that ar(ABCD) = ar(ABEF)