Question

Pls find this urgent​

Answer 1

Answer:

x=18cm

Step-by-step explanation:

Let the triangle be ABC

AB=15cm

BC=15cm

let the midpoint of AC be D

BD=12cm

By Pythagoras theorem,

BC^2=BD^2+CD^2

15^2=12^2+CD^2

CD^2=15^2-12^2

=225-144

CD^2=81

CD=√81

CD=9cm

AC=CD+AD

=9cm+9cm=18cm

x=18cm