How do you clean crayon off of a television screen?

The measure of a big-screen television is given by the length of a diagonal across the screen. A 34-inch television has a width 27.2 in. Find the height of the screen to the nearest tenth of an inch

  • Answer:

    The right triangle has a hypotenuse of 34 inches. The width is 27.2 inches. You now have two sides of a right triangle; use the Pythagorean Theorem to find the third side. [You know, 34^2 = x^2 + 27.2^2]

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