3 years ago

A 31-in. television has a 31 in. diagonal and a 18 in. width. what is the height of the 31-in. television?

1 answer:

4 0

By the Pythagorean theorem:

 $height = \sqrt{31^2-18^2}= \sqrt{961-324}= \sqrt{637}\approx25.24 \ in$

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