Find the length of the third side. If necessary, round to the nearest tenth.

asked Nov 18, 2023 48.9k views

4 votes

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2 votes

Answer: 17.9

Explanation:

$a^(2) +b^(2) =c^(2) \\b^(2)=c^(2)-a^(2) =21^2-11^2=441-121=320\\b=√(320) =17.8885438$

Rounded to the nearest tenth would be 17.9.

Valid answered Nov 20, 2023

by Valid

4.1k points

4 votes

Answer: 17.9

Explanation:

TPReal answered Nov 22, 2023

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