the description of a TV is based on the diagonal length. if the height of a TV is 10 inches and the width is 7 inches, what is t
he approximate diagonal length in inches?
1 answer:
To calculate it use pythagoras: a^2+b^2=c^2
7^2+10^2=49+100=149
calculate the square root:
so the diagonal is about 12.2 inches long
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