4 Exam-style
УА
O
P-
S
+
T -U
R
Q
V
Horizontal line segment PQ is from point P(2, 4) to point Q(18, 4).
R is marked at the midpoint of PQ.
A vertical line segment RS is drawn half the length of line segment PQ.
T is marked at the midpoint of RS.
A horizontal line segment TU is drawn half the length of line segment RS.
Work out the coordinates of point U.
