Exercise 10.3 1. Three ships P, Q and R are sailing such
that ship P is 2 km on a bearing of 040°
from Q. Ship R is 4 km on a bearing of
190° from Q. Calculate the area of the
triangle formed by the three ships.
A cat is placed in a triangular cage which
measures 2.5 m by 2.5 m by 3 m.
Calculate the area of the floor of the cage.
Three points: X, Y and Z, are marked on​