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23 September, 12:16

A 55-inch television screen has a shape of a rectangle with a diagonal that is 55 inches long and a width of the screen is 27 inches.

What is the perimeter of the screen?

Enter your answer, rounded to the nearest hundredth, in the box.

in.

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Answers (1)
  1. 23 September, 15:32
    0
    L^2 = 55^2 - 27^2

    L^2 = 3025 - 729

    L^2 = 2296

    L = sqrt (2296) = 47.92 inches

    perimeter = 27*2 + 47.92*2 = 54 + 95.84 = 149.84 inches
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