In figure, ABCD is a parallelogram and EFCD is a rectangle. Also AL is perpedicular to DC. Prove that (a) ar(ABCD)=ar(EFCD) (b) ar(ABCD) =DC x AL.

In figure, ABCD is a parallelogram and EFCD is a rectangle. Also AL is perpedicular to DC. Prove that (a) ar(ABCD)=ar(EFCD) (b) ar(ABCD) =DC x AL.

Matching exercise

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

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