SOLUTION: A 16 -inch laptop has a screen that is 8 inches tall. How wide is the screen? (a )Find exact answer and be sure to simplify (in inches): (b) Now, give approximate answer (rou

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Question 1098713: A 16 -inch laptop has a screen that is 8 inches tall. How wide is the screen?
(a )Find exact answer and be sure to simplify (in inches):
(b) Now, give approximate answer (rounded to two decimals) (in inches):


Thank you so much for the help it is so appreciated!
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
Laptop screen sizes are specified according to their diagonal measurement, so if its 8" tall:
Let w = width, h = height
+w%5E2+%2B+8%5E2+=+16%5E2+
++w%5E2+=+16%5E2+-+8%5E2+
inches.
—
+8%2Asqrt%283%29+ = (approx) 8*1.732 = 13.856 = +highlight%2813.86%29+ inches.