Aa^(2)+12^(2) = 13^(2)

Michelepatrassi asked Jul 7, 2022

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Michelepatrassi asked Jul 7, 2022

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19 votes

Answer:

a = ± 5

Explanation:

Given

a² + 12² = 13² , that is

a² + 144 = 169 ( subtract 144 from both sides )

a² = 25 ( take the square root of both sides )

a = ±
√(25) = ± 5

Ramis answered Jul 11, 2022

by Ramis

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