Use the given scale factor and the side lengths of the scale drawing to determine the side lengths of the real object. Scale factor: 3:1 18 in 다. 21 in Scale drawing Object A. Side ais 7 inches long and side bis 6 inches long. B. Side a is 24 inches long and side bis 21 inches long. C. Side a is 18 inches long and side bis 15 inches long. D. Side a is 63 inches long and side bis 54 inches long.​

i'm assuming it's looking for the missing length, which should be 4cm

hope this !

so what is the problem what are they asking you to solve

step-by-step explanation:

so what is the problem what are they asking you to solve

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.

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step-by-step explanation:

domit