Question

Mr.smog just bought a big-screen tv set. The screen is 48 in. wide and 27 in. high. Find the lenghth of its diagonal

Answer 1

55

Explanation:

Use the Pythagorean theorem

a^2 + b^2 = c^2

48^2 + 27^2 = (diagonal)^2

2304 +729 = (diagonal)^2

diagonal = 55 inches

Answer 2

`Look\ at\ the\ picture.\\\\Use\ the\ Pythagorean\ theorem:\\\\d^2=48^2+27^2\\\\d^2=2304+729\\\\d^2=3033\\\\d=√(3033)\\\\\boxed{d\approx55\ (in)}`