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20 Cards in this Set
 Front
 Back
Scalene Triangle is

a triangle with no congruent sides


Isosceles Triangle

atleast two congruent sides


equilateral triangle

three congruent sides


congruent

same number of degrees in two or more angles


angle bisector of a triangle

line that bisects an angle(forming two congruent sides) and extends to the other side of triangle


median of a triangle

line that extends from a vertex to the median of the other side in a triangle


prependicular bisector

a line that bisects the center of a line in a triangle and creates a right angle


altitude

line from a vertex that extends to create two right angles


obtuse triangle

altitude extends outside of triangle


hypotenuse

segment of a triangle opposite a vertex


Axiom

an assumption applicable to mathematics in general.


Postulate

an assumption that applies to a particular branch of mathematics, such as geometry.


Axiom 1

Things equal (or congruent) to the same or equal (or congruent) things are equal (or congruent) to each other.


Axiom 2

A quantity may be substituted for its equal in any expression or equation.(substitution axiom)


Axiom 3

The whole equals the sum of its parts.


Axiom 4

Any quantity equals (is equivalent to) itself.(identity)


Axiom 5

If equals are added to equals, the sums are equal.(Addition Axiom)


Axiom 6

If equals are subtracted from equals, the differences are equal. (Subtraction Axiom)


Axiom 7

If equals are multiplied by equals, the products are equal. Also, doubles of equals are equal. (Multiplication Axiom)


Axiom 8

If equals are divided by equals, the quotients are equal. Also halves of equals are equal. (Division Axiom)
