Chapter 5 Flashcards

0
Q

If a segment joins the midpoint of two sides of a triangle then the segment is parallel to the third side and is half the length

A

Triangle mid segment theorem

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1
Q

Segment connecting the midpoint of two sides

A

Mid segment of a triangle

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2
Q

When proving mid segment theorem use coordinates, geometry, and algebra

A

Coordinate proof

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3
Q

X1+x2,y1+y2
______ ______
2 2

A

Midpoint formula

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4
Q

Square root of (x2 - x1) squared plus (y2 - y2) squared

A

Distance formula

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5
Q

If a point is on the perpendicular bisector of a segment then it is equidistant from the endpoints of the segment

A

Perpendicular bisector theorem

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6
Q

If a point is equidistant from the endpoints of a segment then it is on the perpendicular bisector of the segment

A

Converse of perpendicular bisector theorem

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7
Q

If a point is on the bisector of an angle tenge point is equidistant from the sides of the angles

A

Angle bisector theorem

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8
Q

If a point in the interior angle is equidistant from the sides of the angles then the point is on the angle bisector

A

Converse of angle bisector theorem

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9
Q

Length of the perpendicular segment from the point to the line

A

Distance form point to line

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10
Q

The perpendicular bisectors of the sides of a triangle are concurrent at a point equidistant from the vertices

A

Theorem 5-6

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11
Q

The bisectors of the angle a of a triangle are concurrent at a point equidistant from the sides

A

Theorem 5-7

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12
Q

When three or more lines intersect at one point

A

Concurrent

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13
Q

The point at which the concurrent is

A

Point of concurrency

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14
Q

The point of concurrency is called this

A

Circumvented of triangle

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15
Q

The medians of the triangle are concurrent at a point that is two thirds the distance from each vertex to the midpoint of the opposite side

A

Theorem 5-8

16
Q

The point of congruency of medians

A

Centroid

17
Q

Segment whose endpoints are a vertex and the midpoint of the opposite sides

A

Median of a triangle

18
Q

Perpendicular segment from a vertex to the line containing the opposite side

A

Altitude

19
Q

This of a statement has opposite truth value

A

Negation

20
Q

This of a conditional statement negates hypothesis and conclusion

A

Inverse

21
Q

This of a conditional statement switches hypothesis and conclusion and negates both

A

Contra positive

22
Q

Statements that have same truth value

A

Equivalent statements

23
Q

The three perpendicular bisectors f the sides of a triangle meet at this

A

Circumcenter

24
Q

The circle that if circles around circumcenter

A

Circumscribe

25
Q

Point at which three bisectors of the interior angles of the triangle meet

A

Incenter

26
Q

Goes around the incenter

A

Inscribed circle a.k.a incircle

27
Q

Point at which the three medians meet

A

Centroid

28
Q

Point of intersection of the altitudes of a triangle, the perpendicular lines between each vertex and the opposite side

A

Orthocenter