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| connects midpoints on a triangle |
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| segment that goes from vertex to midpoint. |
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| segment that goes from vertex of a triangle, perpendicular to the oppposite side |
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| line in a triangle tat is perpendicular and bisects 1 side |
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| 3 or more lines in a triangle,intersect at a point |
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| point where 3 perpendicular bisectors of a triangle meet at |
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| point where 3 angle bisectors meet |
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| point where 3 medians of a triangle meet, always located inside of the triangle |
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| perpendicular bisector theorem |
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| any pint on the perpendicular bisector or a segment is equidistant from the endpoints of the segment |
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| if a point is on the bisector of an angle, thenthe point is equidistant from the sides of the angle |
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| point where the 3 altitudes meet |
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| a<b, a=b or a>b,comparing values |
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| addittion/subtraction property |
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| A>B then a+c>b+c (+ or -) |
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| Triangle exterior angle theorem |
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| angle opposite of the longest side will be the longest angle------angle opposite of the smallest angle will be the smallest side |
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| the sum of the lenghts of any two sides of a triangle will be greater than the 3rd side |
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| assume that opposite of the proof part |
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