SOLUTION: A 15-inch television has a screen that is 9 inches high. How wide is the screen?

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Question 807057: A 15-inch television has a screen that is 9 inches high. How wide is the screen?
Answer by wilft1(217) About Me  (Show Source):
You can put this solution on YOUR website!
this can be solved using pathagorias theorm
a^2 + b^2 = c^2
9^2 + b^2 = 15^2
81 + b^2 = 225
subtract 81 from both sides
b^2 = 144
square root of 144 is 12
so your screen is 12 inches wide and 9 inches high with a diagonal of 15 inches