Question 24
In triangle $PQR$, $U$ is a point on $PR$, $S$ is a point on $PQ$, $T$ is a point on $QR$, with $US\parallel RQ$ and $UT\parallel PQ$.
The area of triangle $PSU$ is $120\text{ cm}^2$ and the area of triangle $TUR$ is $270\text{ cm}^2$.
The area of triangle $QST$, in square centimetres, is
The area of triangle $PSU$ is $120\text{ cm}^2$ and the area of triangle $TUR$ is $270\text{ cm}^2$.
The area of triangle $QST$, in square centimetres, is