Question 958322


the surface area of rectangular prism:

{{{SA =2(Lh+LW+Wh)}}}

{{{L=84ft}}} 
{{{W=50ft}}} 
{{{h=4in}}}

 in yards:
{{{1foot = 0.33333333333yards}}}
{{{1Inch = 0.02777777778yards}}}

{{{L=84*0.33333333333yards}}} =>{{{L=27.99999999972yards}}}=>{{{L=28yards}}}
{{{W=50*0.33333333333yards}}} =>{{{W= 16.6666666665yards}}}=>{{{W= 16.7yards}}}
{{{h=4*0.02777777778yards}}}=>{{{h= 0.11111111112yards}}}=>{{{h= 0.1yards}}}


{{{SA =2(Lh+LW+Wh)}}}

{{{SA =2(28yards*0.1yards+28yards*16.7yards+16.7yards*0.1yards)}}}

{{{SA =2(2.8yards^2+467.6yards^2+1.67yards^2)}}}

{{{SA =2(472.07yards^2)}}}

{{{SA =944.14yards^2}}}