SEAMO 2026 Paper D SET 2 – Self-practice Question 8

Question 8

Given that the area of $\triangle ABC$ is 1 and $\frac{BD}{CD}=\frac{CE}{EF}=\frac{AF}{FD}=\frac12$, what is the area of $\triangle DEF$?

Question illustration

$\frac7{75}$
$\frac8{75}$
$\frac8{27}$
$\frac13$
$\frac9{21}$