In a parallelogram ABCD,E,F are any two points on the sides AB and BC respectively . Show that ar(∆ADF)=ar(∆DCE)

In a parallelogram ABCD,E,F are any two points on the sides AB and BC respectively . Show that ar( $∆ A D F$ )=ar( $∆ D C E$ )

Matching exercise

Match the items on the right to the items on the left.

step 1

step 2

step 3

step 4