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n200080 [17]
3 years ago
13

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

Mathematics
2 answers:
Alecsey [184]3 years ago
6 0
Look\ at\ the\ picture.\\\\Use\ the\ Pythagorean\ theorem:\\\\d^2=48^2+27^2\\\\d^2=2304+729\\\\d^2=3033\\\\d=\sqrt{3033}\\\\\boxed{d\approx55\ (in)}

amid [387]3 years ago
4 0

Answer:

55

Step-by-step explanation:

Use the Pythagorean theorem

a^2 + b^2 = c^2

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

2304 +729 = (diagonal)^2

diagonal = 55 inches

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