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1. Television screens are sized according to the length of a diagonal across the screen, from one corner to another. The screen of a 2 inch wide screen TV is 24.5 inch high. How wide is it?

2. A carpenter needs to build a stairway down to a basement in a house under construction. The vertical drop is 8'9" and in order to keep the staircase from being too steep it will extend 14 feet horizontally. The main supports will go diagonally from he top of the stairs to the basement floor. How long do they need to be?

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3 answers
  1. 1. 2-inch wide screen? Are you sure?

    2. Use the Pythagorean Theorem.

    https://www.mathsisfun.com/pythagoras.html

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    Ms. Sue
  2. screen is 52 inches

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  3. Use the Pythagorean Theorem.

    http://www.mathsisfun.com/pythagoras.html

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    Ms. Sue

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