What is the number of ways to arrange 4 objects taken 2 at a time?
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Math question: Find the length of the hypotenuse in a right triangle with one side measuring 3 units and the other side measuring 4 units.
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Question: In a right triangle, if the length of the hypotenuse is 10 units and the measure of one acute angle is 30 degrees, what is the length of the side opposite to that angle?