Betty wants to put a border around the ceiling of her room. The ceiling is in the shape of a square. The length of one side is 25.8 feet. How many feet of boarder will Betty use? Show your work on scratch paper.

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Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Which two undefined geometric terms always describe figures with no beginning or end?