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Find the length of the third side if necessary write in simplest radical form

Find the length of the third side if necessary write in simplest radical form-example-1

1 Answer

5 votes

Answer:

7

Explanation:

we use Pythagorean theorem for solving x

a^2 + b^2 = c^2

c^2 - a^2 = b^2

(√58)^2 - (3)^2 = b^2

58 - 9 = b^2

49 = b^2

b = 7

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