In the figure, 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)

In the figure, ABC and ABD are two triangles on the base AB. If line s

1.	In the figure, 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)
Answer» In the figure, ABC and ABD are two triangles on the base AB. If line segment CD is bisected by AB at O, show that ar $(△ A B C) = a r (△ A B D)$