Question 936626
 height and width could be 24  in and 18 in
 its hit and trial method
      as per Pythagorean theorem
 {{{ height^2+width^2 =diagonal^2}}}
 {{{ 24^2+18^2 =30^2}}}
  {{{576+324=900}}}
{{{900=900}}}
hence assumed values are right
Result : height  = 24 inches
   width = 18 in