SOLUTION: a rectangular computer screen measures 17 inch diagonally. the widht is 15 inch. whats the height

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Question 359674: a rectangular computer screen measures 17 inch diagonally. the widht is 15 inch. whats the height
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

Let x represent the height

Applying the Pythagorean Theorem

x%5E2+%2B+15%5E2+=+17%5E2

x%5E2+%2B+225+=+289

x%5E2+=+64

x = -8 (cannot use)

x = 8in is the height of the computer screen