Question

Use the formula SA equals 2 left parenthesis small script letter l w right parenthesis plus 2 left parenthesis wh right parenthesis plus 2 left parenthesis small script letter l h right parenthesis to find the surface area for a rectangular prism with the length small script letter l of 2.9 yd​, a width w of 1.26 yd​, and a height h of 5 yd.
Question content area bottom
Part 1
The surface area is
  
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yd cubed .
yd.
yd squared .
​(Type a whole number or a​ decimal.)

Answer 1

Surface area = 2(lw) + 2(wh) + 2(lh)
= 2(2.9×1.26) + 2(1.26×5) + 2(2.9×5)
= 2(3.654) + 2(6.3) + 2(14.5)
= 7.308 + 12.6 + 29
= 48.908 yd²

Answer: 48.908 yd squared.