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20 Cards in this Set
- Front
- Back
Scalene Triangle is
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a triangle with no congruent sides
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Isosceles Triangle
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atleast two congruent sides
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equilateral triangle
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three congruent sides
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congruent
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same number of degrees in two or more angles
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angle bisector of a triangle
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line that bisects an angle(forming two congruent sides) and extends to the other side of triangle
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median of a triangle
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line that extends from a vertex to the median of the other side in a triangle
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prependicular bisector
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a line that bisects the center of a line in a triangle and creates a right angle
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altitude
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line from a vertex that extends to create two right angles
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obtuse triangle
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altitude extends outside of triangle
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hypotenuse
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segment of a triangle opposite a vertex
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Axiom
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an assumption applicable to mathematics in general.
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Postulate
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an assumption that applies to a particular branch of mathematics, such as geometry.
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Axiom 1
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Things equal (or congruent) to the same or equal (or congruent) things are equal (or congruent) to each other.
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Axiom 2
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A quantity may be substituted for its equal in any expression or equation.(substitution axiom)
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Axiom 3
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The whole equals the sum of its parts.
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Axiom 4
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Any quantity equals (is equivalent to) itself.(identity)
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Axiom 5
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If equals are added to equals, the sums are equal.(Addition Axiom)
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Axiom 6
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If equals are subtracted from equals, the differences are equal. (Subtraction Axiom)
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Axiom 7
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If equals are multiplied by equals, the products are equal. Also, doubles of equals are equal. (Multiplication Axiom)
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Axiom 8
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If equals are divided by equals, the quotients are equal. Also halves of equals are equal. (Division Axiom)
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