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# Ben is building a storage box for the sail of his boat. Theleft side of the box is 9 feet long and the right side of the box is 12 feet long. The left and right side form a right angle, as shown in th

Ben is building a storage box for the sail of his boat. Theleft side of the box is 9 feet long and the right side of the box is 12 feet long. The left and right side form a right angle, as shown in the picture below.