Question 1088501

a room is in the shape of a rectangular prism. 



given: {{{L=4.52m }}}, {{{W=2.41m}}}  and {{{h=2.96m}}} 
It has 2 windows and a door that have a combined area of {{{5.52m^2}}}. 

so, two walls have dimensions: {{{2*Lh }}}, the other two {{{2*Wh }}}, 

then, the area  to be painted is: 

{{{2*Lh+2*Wh}}}..........now we need to deduct  given area of 2 windows and a door 
{{{2*Lh+2*Wh- 5.52m^2}}}  plug in given values
{{{2*4.52m*2.96m+2*2.41m*2.96m-5.52m^2}}}
{{{26.7584m^2+14.2672m^2-5.52m^2}}}
{{{35.5056m^2}}}

your answer is same

if textbook says {{{30.53msq }}}, that must be typo