Construct a `Delta ABC` in which `AB=4.5` cm, `BC=6` cm and median `AD=4` cm.

Explanation

STEP OF CONSTRUCTION
(i) Draw a line segment `AB=4.5` cm.
(ii) With `A` as centre and radius equal to `4 cm`, draw an arc.
(iii) With `B` as centre and radius `=1/2 BC=3` cm, draw another arc, cutting the previous arc at `D`.
(iv) Join `BD` and produce it to `C` such that `BC=6` cm.
(v) Join `AC`.
Then, `Delta ABC` is the required triangle.