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12-07-2018
Mathematics

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A certain television is advertised as a 73-inch TV (the diagonal length). If the width of the TV is 48 inches, how many inches tall is the TV?

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thuynganngtp4x2d3 thuynganngtp4x2d3

12-07-2018

use Pythagorean Theorem to find the height with the diagonal is the hypotenuse, the width is a leg, then find the other one.

a^2+b^2=c^2

48^2 + b^2 = 73^2

b^2 = 3052

b=55

Therefore, the answer is 55

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