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ser-zykov [4K]
3 years ago
13

Find the surface area of the rectangular prism

Mathematics
2 answers:
mezya [45]3 years ago
8 0

Answer:

<h2>S.A. = 328</h2>

Step-by-step explanation:

The formula of a surface area of a rectangular prism l × w × h:

S.A.=2(lw+ih+wh)

We have l = 5.5, w = 5 and h = 13. Substitute:

S.A.=2(5.5\cdot5+5.5\cdot13+5\cdot13)\\\\S.A.=2(27.5+71.5+65)\\\\S.A.=2(164)\\\\S.A.=328

SCORPION-xisa [38]3 years ago
7 0
5.5 • 5= 27.5+27.5+65+65+71.5+71.5=328

13•5=65
13•5.5=71.5

THE ANSWER IS 328
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