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Let us square the sides: 3 times 3 = 9; 4 time 4 = 16. Now let us add: 9 + 16 = 25. Now let us take the square root of 25. What number times itself gives us 25? That is the hypotenuse.

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Q: What would be the hypotenuse if the sides are equal to 3 and 4?
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