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30 November, 03:32

18) A TV screen has a length of 15 inches.

The diagonal of the TV is 25 inches. What

is the width of the TV?

A) 400 inches

B) 40 inches

C) 20 inches D) 29.2 inches

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Answers (1)
  1. 30 November, 04:58
    0
    Answer: 20 inches

    Step-by-step explanation:

    From the question, a television screen has a length of 15 inches while the diagonal of the TV is 25 inches. To calculate the width, we will use the hypoteneous rule.

    Hypotenuse² = length² + width²

    25² = 15² + width²

    width² = 25² - 15²

    width² = 625 - 225

    width² = 400

    width = ✓400

    width = 20

    The width of the TV is 20 inches.
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