The hallway in Oscars house is in the shape of a rectangle. The length of the hallway is 1/2 foot longer than twice its width. The Perimeter of the hallway is 31 feet.

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d. all of the above

step-by-step explanation:

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“ a line segment that has the endpoints on the circle and passes through the midpoint is called the diameter. the diameter is twice the size of the radius. a line segment that has its endpoints on the circular border but does not pass through the midpoint is called a chord. a circle is the same as 360 small circle up the number 0 . i hope this .