helal helal
  • 14-09-2016
  • Mathematics
contestada

The size of a television screen is the length of its diagonal. The size of this television screen is 80 cm. If the height of the screen is 42 cm, find the width of the screen in centimetres, correct to the nearest whole number.

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Crix
Crix Crix
  • 14-09-2016
Use the Pythagorean Theorem. [tex]80 ^{2} = 42^{2} + x^{2} [/tex] What do you think the answer is?
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