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8 March, 13:01

A television is measured by its diagonal. If the height of a 70 inch television is 42 inches, what is the width?

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  1. 8 March, 13:30
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    A diagonal:

    d = 70 in.

    w² + h² = d²

    w² + 42² = 70²

    w² + 1764 = 4900

    w² = 4900 - 1764 = 3136

    w = √3136

    w = 56

    Answer: The width is 56 in.
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