3 years ago

Suppose that an open box is to be made from a square sheet of cardboard by cutting

Mathematics

1 answer:

Stells [14]3 years ago

7 0

Answer:

L = 18 inches

Step-by-step explanation:

if s is side length

400 = s•s•4

s² = 100

s = 10

so the original flat cardboard square has sides of

L = 10 + 4 + 4

L = 18 inches

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