In the below Fig, ABC and ABD are two triangles on the base AB. If line segment CD is bisected by AB at O, show that ar (∆ ABC) = ar (∆ ABD)
Given that CD is bisected at O by AB
To prove: ar (∆ ABC) = ar (∆ ABD)
Construction: Draw CP ⊥ AB and DQ ⊥ AB
Proof: