SEAMO 2019 — Paper B — Grade 3–4 Question 4

$ABCD$ is a square and $EFGH$ a rectangle. Given $FB=2AF$, $BG=2GC$, $DH=2HC$, $DE=2AE$, $FB=4\text{ cm}$ and $AF=2\text{ cm}$, find the area of $EFGH$.