Question

Question #bc1b2

Answer 1

`AD=12` cm

Explanation:

Let `AB=x, => AC=x`
given `BD=CD, => D` is the midpoint of `BC`
as `AB+BC+CA=48`,
`=> BD=DC=(48-2x)/2=24-x`
given `AB+BD+AD=36`
`=> x+24-x+AD=36`
`=> AD=36-24=12`