Just use Pythagoras:
d^2= 16^2 + 12^2
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.
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d = ??
HIIIIIIIIII!!!!!!!!!!!
A television set may be described in terms of the diagonal measure of its screen. If a TV screen is 16 inches by 12 inches, what is the length of its diagonal?
2 answers
Your going to add them, obviously, then take the square root of the number added. and your answer is 20.