Question

using pythagoras theorem find the length of unknown sides triangle ABC AB =40cm BC = 9cm CA =X​

Answer 1

Where is right angle
Give the pic

Answer 2

AB=40cm

BC=9cm

CA=x cm

by Pythagoras therom,

h^2=p^2+b^2

x^2=40×40+9×9

x^2=1600+81

x^2=1681

x=√1681