Question

5. ABCD is a rectangle. If N, 0 and M are the midpoint of
AB, BD and CD respectively, then find:
a) Area of ∆COD
b) Area of (CBNO) : Area of (ABCD)

Answer 1

Answer:

In ΔMCN,tanθ=

x

y

and In ΔADN,tan(90−0)=

x

2y

cotθ=

x

2y

tanθ=

2y

x

2y

2

=x

2

y

x

=

1

2

solution