(a)[3]
Given that the length $QR$ is $13$ units, find the two possible values of $n$.
(b)[2]
$RST$ lies on a straight line and $RS : RT = 2 : 5$. Find the coordinates of $T$.
(c)[5]
Find the equation for the perpendicular bisector of $RS$.
Mathematics 4024 · O Level · Length and midpoint
Length and midpoint — practice question
$Q$ has coordinates $(n,-4)$, $R$ has coordinates $(-1,8)$ and $S$ has coordinates $(3,2)$.