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October 20, 2014

October 20, 2014

Posted by **Celina** on Wednesday, March 9, 2011 at 9:52pm.

diagonal distance across the screen. If the screen measures 10 inches in height, what is the

actual width of the screen to the nearest inch?

* I'd appreciate if I not only got an answer but an explanation too. Thanks :]

- Mathematics . -
**bobpursley**, Wednesday, March 9, 2011 at 9:55pmUse the Pythagorean theorem?

d^2=h^2+w^2

19^2=10^2+w^2

- Mathematics . -
**Celina**, Wednesday, March 9, 2011 at 9:56pmBut how would you do it using

A^2 + B^2 = C^2 ?

- Mathematics . -
**bobpursley**, Wednesday, March 9, 2011 at 10:16pmLord. It is the same thing. Letters dont matter.

diagonal^2=height^2 + width^2

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