Question 19
In the diagram, $\angle ABC=90^\circ$ and $DEFG$ is a square. If $AE=8$ and $EF=12$, find the area of quadrilateral $ACGD$.
Answer format: enter the integer answer without units. Leading zeros are optional; the original paper uses four-digit boxes.
Answer format: enter the integer answer without units. Leading zeros are optional; the original paper uses four-digit boxes.