The height of the rectangle will be 17 feet.
Let H be the height and W be the width of the rectangle.
Then the perimeter of the rectangle will be
Perimeter of the rectangle = 2(H + W) units
A rectangle has a perimeter of 45 feet and a base of 5.5 feet.
The sum of all the sides of the rectangle will be known as the perimeter of the rectangle.
Then the height of the rectangle will be
45 = 2(H + 5.5)
22.5 = H + 5.5
H = 22.5 - 5.5
H = 17 feet
Thus, the height of the rectangle will be 17 feet.
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