Question

ple How much sheet metal is required to make a closed rectangular box of length
1.5 m, breadth 1.2 m and height 1.3 m?​

Answer 1

Answer:

Area : L*B*H

1.5m*1.2m*1.3

is 2.34 m3

M3 is metre cube

Answer 2

${\pmb{\underline{\sf{Required \: Solution....}}}}$

• Length of box (L) = 1.5 m
• Breadth (B) = 1.2 m
• Height (H) = 1.3m

Surface Area of box = 2 × ( L × B + B × H + L× H)

◇ Let's putting those Values in this Formula

$\implies2(1.5 \times 1.2 + 1.2 \times 1.3 + 1.5 \times 1.3) \\ = 2(1.80 + 1.56 + 1.95) \\ = 2(5.31) \\ = \boxed{10.62 \: sqm}$

Required Answer is 10.62 sqm

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@Mahor2111

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