SOLUTION: Flat-screen computer monitors are classified by the number of inches measured
from one corner to the diagonally-opposite corner. If the diagonal measurement
of a monitor is 23 in
Algebra.Com
Question 964871: Flat-screen computer monitors are classified by the number of inches measured
from one corner to the diagonally-opposite corner. If the diagonal measurement
of a monitor is 23 inches and its width is 20 inches, find both its exact height and its
height rounded to the nearest quarter-inch. (Please use correct units.)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Flat-screen computer monitors are classified by the number of inches measured
from one corner to the diagonally-opposite corner. If the diagonal measurement
of a monitor is 23 inches and its width is 20 inches, find both its exact height and its
height rounded to the nearest quarter-inch. (Please use correct units.)
----
Draw the picture.
You have a rectangle with diagonal = 23", width = 20" and height = "h" inches.
----
Use Pytagoras to solve for "h"::
h^2 + 20^2 = 23^2
h^2 = 129
height = 11.36 inches
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Cheers,
Stan H.
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