Question 1110311
Draw the figure.  Find the uniform width of the frame:  {{{(1/2)(40-30)=5}}}.


You are asked to find area of ONLY the frame, excluding the picture.


total area, {{{40*(25+10)=40*35=1400}}}


just the picture area, {{{30*25=750}}}


JUST the frame?
{{{1400-750=highlight(650)}}} square centimeters