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19-12-2016
Mathematics

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A 14 inch laptop has a screen that is 9 inches tall. how wide is the screen?

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19-12-2016

a^2 + b^2 = c^2

A= width
B = Height (9)
C= Hypotenuse (14)

C^2 = 196
B^2 = 81

A^2 + 81 = 196

196-81 = 115

A^2 = 115
A=10.7238053

The width is 10.7238053

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