Diagonals AC and BD of a trapezium ABCD with AB parallel to DC intersect eacch other at O. Prove that ar(△AOD) = ar(△ BOC).

Diagonals AC and BD of a trapezium ABCD with AB parallel to DC intersect eacch other at O. Prove that ar( $△$ AOD) = ar( $△$ BOC).

Matching exercise

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

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