Question 25
$ABCD$ is a parallelogram, with $FH\parallel AD$ and $EG\parallel AB$, as shown; the two segments intersect at $M$. The area of $DEMH$ is $9\text{ cm}^2$ and the area of $BFMG$ is $15\text{ cm}^2$. Find the area of triangle $AMC$ in square centimetres.

Enter the number only.

Enter the number only.