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Mathematics 7 Online
OpenStudy (anonymous):

Standing at one side of a room, a person finds that a one foot ruler can be held veritcally so the top is in line with the top of the opposite wall and the bottom is in line w the bottom of the opposite wall. If the ruler is held 2 feet from the eye and the wall is 8 feet tall, what is the distance across the room?

OpenStudy (danjs):

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OpenStudy (danjs):

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