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

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

19
Q

This of a statement has opposite truth value

20
Q

This of a conditional statement negates hypothesis and conclusion

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
The circle that if circles around circumcenter
Circumscribe
25
Point at which three bisectors of the interior angles of the triangle meet
Incenter
26
Goes around the incenter
Inscribed circle a.k.a incircle
27
Point at which the three medians meet
Centroid
28
Point of intersection of the altitudes of a triangle, the perpendicular lines between each vertex and the opposite side
Orthocenter