O' is any point on diagonal AC of a parallelogram ABCD. Prove that :
area of `Delta AOD = " area of " Delta AOB`

O' is an interior point of a parallelogram ABCD. Prove that : area of Delta AOB + " area of " Delta COD = " area of " Delta AOD + " area of " Delta BOC

O' is an interior point of a parallelogram ABCD. Prove that : area of Delta AOB + " area of " Delta COD = " area of " Delta AOD + " area of " Delta BOC

In the adjoning figure, ABCD is a parallelogram. Prove that : area of Delta BPC = " area of " Delta DPQ

In the adjoning figure, ABCD is a parallelogram. Prove that : area of Delta BPC = " area of " Delta DPQ

O is any point on the diagonal B D of the parallelogram A B C D . Prove that a r( triangle O A B)=a r(triangle O B C)

ABCD is a parallelogram. Find the ratio of the area of Delta ABC to the area of the parallelogram ABCD.

P is any point inside a parallelogram ABCD. Prove that : Area (DeltaAPB)+Area(DeltaCPD) =Area(DeltaAPD)+Area(DeltaBPC)

If P is any point in the interior of a parallelogram ABCD, then prove that area of the triangle APB is less than half the are of parallelogram.

If P is any point in the interior of a parallelogram A B C D , then prove that area of the triangle A P B is less than half the area of parallelogram.

If P is any point in the interior of a parallelogram A B C D , then prove that area of the triangle A P B is less than half the area of parallelogram.