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28-10-2014
Mathematics

Answered

A doll house uses a scale factor of 1 over 12 . The perimeter of a square room in the doll house is 36 inches . What is the length of the full size room ?
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Answer :

JoshEast JoshEast

28-10-2014

k= 1/12
perimeter of doll house= 36 inches
:. length of doll house= 36inches / 4
= 9 inches
length of actual= length of doll house x k(inverse)
:. actual lenght= 9 inches x 12/1
= 108 inches

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