Question 1158305
length w+31
width w

{{{w+31+w=98/2}}}
{{{2w+31=49}}}
{{{2w=18}}}
{{{w=9}}}


LENGTH, 40
WIDTH, 9


DIAGONAL
{{{sqrt(40^2+9^2)}}}
{{{sqrt(1600+81)}}}
{{{highlight(highlight_green(41))}}}