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

User Cyberfly
by
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1 Answer

4 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

User Abhijithvijayan
by
3.2k points
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