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30-10-2016
Mathematics

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A television set is 36 inches wide and has a diagonal length of 42 inches. To the nearest inch, how tall is the set?

Respuesta :

07-11-2016

Pythagorean theorem.
36² + b² = 42²
1296 + b² = 1764
-1296. -1296
b² = 468
[square root] b² = [square root] 468
b= height =21.6 inches

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