Acertain television is advertised as a 58-inch tv (the diagonal length). if the width of the tv is 42 inches, how many inches tall is the tv?

The height of the television is:

Step-by-step explanation:

To solve the proposed exercise you must understand two things:

The Pythagorean triangle tells us that the sum of the base squared and the height squared of a right triangle will be equal to the hypotenuse (diagonal) squared of the triangle, which is usually expressed like this:

But to make it more understandable, let's express it like this:

Since the diagonal and the base (width) of the television are provided in the exercise, we must clear the height and calculate:

To identify the value if in the square, you must apply square root to the obtained value:

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