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notka56 [123]
4 years ago
8

A square scarf is folded in half to form a rectangle. if the resulting rectangle has a perimeter of 15 inches, what are the area

and perimeter of the square scarf?
Mathematics
1 answer:
Elenna [48]4 years ago
8 0
Let x =  the length of each side of the square.

Therefore the dimensions of the rectangle are x and x/2.
Because the perimeter of the rectangle is 15 inches, therefore
2x + 2(x/2) = 15
2x + x = 15
3x = 15
x = 5 in.

The perimeter of the square scarf is 4x = 4*3 = 12 in.
The area of the scarf is 3*3 = 9 in²

Answer:
Perimeter = 12 in
Area = 9 in²

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