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hypotenuse

the side of a right triangle that is opposite the right triangle

irrational number

a number that cannot be written as a quotient of 2 integers

rational number

a number that can be written as a quotient of 2 integers

leg

the 2 sides that form a right triangle

perfect square

a number that is the square of an integer

square root

is a number m such as that m2=b

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