Which math sentence can be used to determine if this triangle is a right triangle? A triangle has side lengths 12, 15, 18. 12 + 15 = 18 12 squared + 15 squared = 18 squared 12 + 18 = 15 12 squared + 18 squared = 15 squared

12^2+15^2=18^2

Step-by-step explanation:

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Well, thanks to the pythagorean theorem, we know a^2+b^2=c^2

So your answer is because 12^2+15^2=18^2

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