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13 October, 22:06

The diagonal measure of a rectangular T. V screen is 42 inches. The width of the screen is 36.6 inches

What is the height of the screen? Round to the nearest tenth.

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Answers (2)
  1. 13 October, 22:31
    0
    A^2 + b^2 = c^2

    The diagonal is the hypotenuse (c).

    36.6^2 + b^2 = 42^2

    1339.56 + b^2 = 1764

    Subtract 1339.56 from both sides.

    b^2 = 425.44

    Square root both sides.

    b = 20.6 inches
  2. 13 October, 22:31
    0
    A^2 + b^2 = c^2

    The diagonal is the hypotenuse (c).

    36.6^2 + b^2 = 42^2

    1339.56 + b^2 = 1764

    Subtract 1339.56 from both sides.

    b^2 = 425.44

    Square root both sides.

    b = 20.6 inches
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