Given the triangle below, what is the length of the third side, rounded to the nearest whole number?

Fredou asked Jul 6, 2022

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Fredou asked Jul 6, 2022

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11 votes

Answer:

Explanation:

You need the Law of Cosines for this, namely:

x^2=21^2+14^2-2(21)(14)cos58 where x is the missing side.

x^2=441+196-311.5925 and

x^2=325.4075 so

x = 18.0 or just 18

Fission answered Jul 12, 2022

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