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Find the perimeter of the trapezoid:
The perimeter of any shape is equal to the sum of the lengths of its sides:
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You recently bought a new bookshelf with a base in the shape of an isosceles trapezoid. If the small base is 2 feet, the large base is 3 feet, and the arms are 1.5 feet, what is the perimeter of the base of your new bookshelf?
You recently bought a new bookshelf with a base in the shape of an isosceles trapezoid. If the small base is 2 feet, the large base is 3 feet, and the arms are 1.5 feet, what is the perimeter of the base of your new bookshelf?
To find the perimeter of a bookshelf, we need to add up the lengths of the sides.
We know the two bases, we just need to add the lengths of the arms.
So, our answer is 8ft
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