7. P C
Area of the rectangle = AB X AD
Area of the triangle = ½ X AB X PQ
= ½ X AB X AD
= half the area of the rectangle
D
A Q
B
8. P
D C
A B
Q
Area of the rectangle = AB X AD
Area of the triangle = ½ X AB X PQ
= ½ X AB X AD
= half the area of the rectangle
9. If ABCD is a rectangle and if we
draw or join a line from any point
on the side DC to the vertices A
and B, then the area of the
triangle formed will be half the
area of that rectangle.