Basic College Mathematics (9th Edition)

The height of the rectangular television set is $\approx 27.1$ in.
Let $x =$ height of the rectangular television set $a^{2} + b^{2} = c^{2}$ $x^{2} + 42^{2} = 50^{2}$ $x^{2} + 1764 = 2500$ $x^{2} = 736$ $x = \sqrt 736$ $x = 27.129...$ $x \approx 27.1$ in.