Chapter 5 voc. Flashcards

1
Q

The point at which they intersect

A

Point of concurrency

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2
Q

The point of concurrency of the perpendicular bisectors of a triangle is called the _____________

A

Circumcenter of a triangle

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3
Q

Something you say p.301

A

Circumscribed about

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4
Q

The point of concurrency of the angle bisectors of a triangle is called the ______

A

Incenter of a triangle

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5
Q

Is a length of the perpendicular segment from the point to a line

A

Distance from a point to a line

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6
Q

In _________ all possibilities are considered and then all but one are proved false

A

Indirect reasoning

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7
Q

Is a segment whose end points are a vertex and the midpoint of the opposite side

A

Median of a triangle

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8
Q

The point of concurrency of the medians is the __________

A

Centroid of a triangle

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9
Q

Is the perpendicular segment from a vertex of the triangle to the line containing the opposite sides

A

Altitude of a triangle

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10
Q

A proof involving indirect reasoning is an _______ ________

A

Indirect proof

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11
Q

Where three or more lines intersect at one point

A

Concurrent

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12
Q

The center of the the circle that is _______ ____ the triangle

A

Inscribed in

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12
Q

The lines that contain the altitudes of a triangle are concurrent at the ________

A

Orthocenter of a triangle

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13
Q

A segment connecting the midpoints of two sides of the triangle

A

Mid segment of a triangle

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14
Q

The medians of a triangle are concurrent at a point that is 2/3 the distance from each vertex to the midpoint f the opposite side

A

Theorem 5-8 concurrency of medians theorem

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15
Q

A point is ________ from two objects if it is the same distance from the objects

A

Equidistant

17
Q

If a point is equidistant from the endpoint of a segment, the. It is on the perpendicular bisector of the segment

A

Theorem 5-3 converse of the perpendicular bisector theorem

18
Q

If a point is on he bisector of an angle, then the point is equidistant from the sides of the angle

A

Theorem 5-4 angle bisector theorem

19
Q

If a point in the interior of a. Angle is equidistant from the sides of the angle, then the point is on the angle bisector

A

Theorem 5-5 converse of the angle bisector theorem.

20
Q

The lines that contain the altitudes of a triangle are congruent

A

Theorem 5-9 concurrency of altitudes theorem

21
Q

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

A

Theorem 5-6 concurrency of perpendicular bisectors theorem

22
Q

If two sides of atria gale are not congruent, then the larger angle lies opposite the longer side

A

Theorem 5-10

23
Q

If two angles of a triangle are not congruent, then the longer side lies opposite the larger angle

A

Theorem 5-11

24
Q

If two sides of one triangle are congruent to two sides of another triangle, and the included angles are not congruent, then the longer third side is opposite the larger included angle

A

Theorem 5-13 the hinge theorem (SAS inequality theorem)

25
Q

If a segment joins the midpoints of two sides of a triangle, then the segment is parallel to the third side and is half as long

A

Theorem 5-1 triangle mid segment theorem

29
Q

The sum of the lengths of any two side of a triangle is greater than the length of the third side

A

Theorem 5-12 triangle inequality theorem

32
Q

If a points on the perpendicular bisector of a segment, the I it is equidistant from the end points of the segment

A

Theorem 5-2 perpendicular Bisector theorem

33
Q

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

A

Theorem 5-7 concurrency of angle bisectors theorem