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# chapter 6

TermDefinition
square root a number that when mltipled by itself, equals the given number
perfect square a number with integers as its square roots
radical sign the symbol square root which is used to represent a square root
theorem a rule in mathmatics
legs the two sides of a right triangle that form the right angle
hypotenuse the side of a right angle that is opposite of the right angle
irrational number a number that cannot be written as a ratio of two integers
rational numbers a number that can be written as the ratio of two integers where a and b are integers and b does not =0
real numbers the set of all rational an irrational numbers
cube root a number that wen multiplied by itself, and then multiplied by itself again equals the given number
perfect cube a number that can be written as the cube of an interger
Pythagorean theorom in any right angle, the sum of the squares of the lengths of its legs is equal to the square of the length of the hpotenuse
Pythagorean triple a set of three positive integers a,b,c where a2+b2+c2
Created by: webers