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postnew [5]
3 years ago
7

Look at the image for the question?

Mathematics
2 answers:
alekssr [168]3 years ago
6 0

Answer:

<u>Surface area = the sum of the area of all six sides:</u>

(11 · 10) + (11 · 10) + (11 · 8) + (11 · 8) + (8 · 10) + (8 · 10)

= 110 + 110 + 88 + 88 + 80 + 80

= 220 + 176 + 160

= 556 ft²

Ber [7]3 years ago
4 0

Answer:

556 ft^2

Step-by-step explanation:

The surface area of a rectangular prism is

SA = 2(lw+wh+lh) where h is the height l is the length and w is the width

SA = 2( 11*10+10*8+11*8)

      = 2(110+80+88)

      =2(278)

     =556 ft^2

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