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screen sizes (TVs, computers) are given by measuring the length of the diagonal. If the base length of a 40-inch TV is 32", what is the surface area of the TV screen? (think about what you need to know to compute the area of a rectangle)

  • math -

    so, did you think about what you need to know? Length and Height.

    Now think back to the Pythagorean Theorem.

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