Find the length of the diagonal of a rectangle whose sides are 12 cm and 5 cm.
ABCD is a rectangle
In ΔABC using pythagorous theorem,
AC2 = AB2 + BC2
AC2 = 122 + 52
AC2 = 144 + 25
AC2 = 169
AC = 
AC = 13cm
Therefore length of diagonal is 13cm.
8
Find the length of the diagonal of a rectangle whose sides are 12 cm and 5 cm.
ABCD is a rectangle
In ΔABC using pythagorous theorem,
AC2 = AB2 + BC2
AC2 = 122 + 52
AC2 = 144 + 25
AC2 = 169
AC =
AC = 13cm
Therefore length of diagonal is 13cm.