L= length= 2.6 yards
W= width= 3.5 yards
H= height= 4 yards
Plug in the measurements into the surface area formula for a rectangular prism.
Surface Area= (2LW) + (2LH) + (2WH)
= (2*2.6*3.5) + (2*2.6*4) + (2*3.5*4)
= 18.2 + 20.8 + 28
= 67 yards^2
ANSWER: 67 yards^2
Hope this helps! :)
