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Lilit [14]
3 years ago
13

Please help me asap it's for a grade.​

Mathematics
2 answers:
vazorg [7]3 years ago
8 0

Answer:

  • 212 in²

Step-by-step explanation:

<u>Top and bottom:</u>

  • 2(2 + 4)*4 = 48

<u>Front and back:</u>

  • 2(4*7 + 2*10) = 96

<u>Left and right:</u>

  • 10*4 + 4*7 = 68

<u>Total surface area:</u>

  • 48 + 96 + 68 = 212 in²
Art [367]3 years ago
7 0

Answer:

=280

Step-by-step explanation:

Step 1:

find the surface areas of both the figures

area <em>of 1rst: </em>

length = 2

width =4

height = 10

surface area formula = 2(wl+wh+hl)

= 136

<em>area of second</em>

length = 4

width =4

height = 7

surface area formula = 2(wl+wh+hl) =

2·(4·4+7·4+7·4)=144

144 + 136 = 280

<h2>I hope this helps!! :)</h2>

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