The size of a laptop monitor is usually measured along the diagonal. A rectangular monitor is 12 inches long and 7 inches tall.
What is the length of the diagonal of this monitor, to the nearest tenth of an inch? Enter your answer, as a decimal, in the box.
2 answers:
14.
a^2 + b^2 = c^2
12^2 + 7^2 = c^2
144 + 49 =c^2
193 = c^2
c= 13.89
14
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