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Help me please. And if you can explain but if not its ok

Help me please. And if you can explain but if not its ok-example-1

1 Answer

9 votes

Answer:

B. 13√3

Explanation:

Apply pythagorean theorem:

Thus, we have:

x² = (12√3)² + (5√3)²

x² = 432 + 75

x² = 507

x = √507

x = 13√3

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