ABCD is a trapezium with AB||DC. A line parallel to AC intersects AB at X and BC at Y . Prove that ar(∆ADX)=ar(∆ACY)

ABCD is a trapezium with AB||DC. A line parallel to AC intersects AB at X and BC at Y . Prove that ar( $∆ A D X$ )=ar( $∆ A C Y$ )

Matching exercise

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

step 2

step 1

step 3