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Aneli [31]
3 years ago
11

Calculate the surface area of this box.

Mathematics
2 answers:
Tamiku [17]3 years ago
7 0

Answer:

A=40cm^{3}

Step-by-step explanation:

Formula to find the surface area of a rectangular prism:

A=2(wl+hl+hw)

(w=weight, l=length, h=height)

A=2((2)(4)+(2)(4)+(2)(2))

A=2((2)(4))+2((2)(4))+2((2)(2))

A=16+16+8

A=40cm^{3}

<em>hope this helps </em><em>:)</em>

julia-pushkina [17]3 years ago
4 0

Answer:

36 cm^2

Step-by-step explanation:

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

S.A. = 2 ((4)(2) + (2)(2) + (4)(2))

S.A. = 2 (8 + 4 + 6)

S.A. = 2 (18)

S.A. = 36

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There are 6 gray keys for every 11 black keys. Also, the number of black keys is 2 less than twice the number of gray keys. Use
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