- triabngle ABC is right angled at C. if AC=5cm and BC=12cm find the length of AB
By Pythagoras Theorem:
AC2 = AB2 + BC2
25=AB2 +144
Therefore,
AB2=144+25
=169
AB=13
AC2 = AB2 + BC2
25=AB2 +144
Therefore,
AB2=144+25
=169
AB=13