Term Definition
acute triangle an acute triangle is a triangle with three acute triangles
cube root It is used to denote the cube root.
hypotenuse A right triangle that is opposite of the right angle.
irrational number A number that cannot be written as a quotient of two integers where the denominator is not 0.
Legs The sides of a right triangle that are adjacent to the right angle. The signs labeled a and b are legs
obtuse triangle An obtuse triangle has one with one measure greater than 90 degrees.
perpendicular The sides of a right triangle that form the right angle are perpendicular.
terminating decimals A decimal that ends, or terminates. Terminating decimals are rational numbers.
theorem A theorem is a general mathematical statement that has been proven true.
square root The side length of a square that has that number as its area.
Right triangle A right triangle is a triangle with one right triangle.
Repeating decimal A decimal with a pattern of a fixed number of digits that repeats forever.
real numbers The set of all rational numbers and all irrational numbers.
rational number A number that can be written as a quotient of two integers where the denominator is not 0.
Radius A radius of a circle is the distance from the center of the center of the circle to any point on the circle.
pythagorean Theorem A statement about the relationship among the lengths of the sides of a right triangle.