SOLUTION: A square piece of paper is folded in half to form a rectangle . this rectangle has a perimeter of 18cm . the area of the original square in cm^2 is
A 9 b 12 c 18 d 24 e 36
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Question 288270: A square piece of paper is folded in half to form a rectangle . this rectangle has a perimeter of 18cm . the area of the original square in cm^2 is
A 9 b 12 c 18 d 24 e 36
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let the side of square be x
when you fold it one side becomes x/2
and the other remains as x
perimeter = 2L +2W
= 2*x+2*x/2
=3x
3x=18
x=6
Area of original square is 6*6 = 36 sq. cms
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