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Can someone help me please? Picture attached

Can someone help me please? Picture attached-example-1

1 Answer

3 votes

Answer:

Explanation:

A^2 + B^2 = C^2

12^2 + B^2 = 18^2

144 + B^2 = 324

Subtract 144 from both sides

B^2 = 324 - 144

B^2 = 180


√(180) = 13.416

B^2 = 13.4

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