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Given that a 22-inch monitor with an aspect ratio of  16:9 has a monitor resolution  of 1920X1080,what is the width of the monitor ?

a)19.17 inches

b)22 inches

c)8.53 inches

d)10.79 inches

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a) 19.17 inches
edited by
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let width =16x   height =9x

22 inch monitor means 22 inch diagonal length

256x^2 +81x^2 =484 (pytha.)

337 x^2= 484

x=1.2 approx  width = 16x1.2 =19.2 approx

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