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9th grade > Geometry semester 1 final > Flashcards

Geometry semester 1 final Flashcards

1
Q

what is conditional

A

p -> q

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2
Q

what is converse

A

q -> p

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3
Q

what is inverse

A

~p -> ~q

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4
Q

what is contrapositive

A

~q -> ~p

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5
Q

Property of a=a

A

Reflexive

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6
Q

Property of a = b and b = a

A

Symmetric

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7
Q

Property of a = b and b = c then a = c

A

Transitive

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8
Q

Property of a = b then a + c = b + c

A

Addition

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9
Q

Property of a = b then a - c = b - c

A

Subtraction

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10
Q

Property of a = b then a(c) = b(c)

A

Multiplication

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11
Q

Property of a = then a/c = b/c

A

Division

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12
Q

Property of a = c and b = a then b = c

A

Subsitution

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13
Q

Property of a(b + c) = ab + ac

A

Distribution

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14
Q

Slopes if parallel

A

The same

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15
Q

Slopes if perpendicular

A

Negative reciprocal

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16
Q

CPCTC

A

Corresponding parts of congruent triangles are congruent

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17
Q

Equilateral triangle

A

All sides are congruent

18
Q

Isosceles triangle

A

2 sides are congruent

19
Q

Scalene triangle

A

No sides congruent

20
Q

Point of congruency of the perpendicular bisectors of a triangle

A

Circumcenter

21
Q

Point of congruency of the angle bisector of a triangle

22
Q

Point of congruency of the altitudes of a triangle

A

Orthocenter

23
Q

Point of congruency of the medians of a triangle

24
Q

The point of intersection of 3 or more lines

A

Point of concurrency

25
Q

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

26
Q

Segment that has endpoints at a vertex and the midpoint of the side opposite the vertex

27
Q

Term that describes 3 or more lines that intersect at a single point

A

Concurrent

28
Q

When a circle passes through the 3 vertices of a triangle

A

Circumscribed

29
Q

Intersection point of 3 angle bisectors of a triangle

A

Incenter of a triangle

30
Q

When a circle touches the 3 sides of a triangle

31
Q

Polygon with 6 sides

32
Q

Polygon with 7 sides

33
Q

Polygon with 9 sides

34
Q

Polygon with 10 sides

35
Q

Polygon with 12 sides

36
Q

A quadrilateral with only 1 pair of opposite angles parallel and the other pair of opposite sides congruent

A

Isosceles trapezoid

37
Q

A quadrilateral with 2 pairs of opposite sides parallel

A

Parallelogram

38
Q

A quadrilateral with only one pair of opposite sides parallel

39
Q

A quadrilateral that is both a rectangle and rhombus

40
Q

A quadrilateral with 4 congruent sides

41
Q

A quadrilateral with 4 right angles

42
Q

A quadrilateral with 2 pairs of congruent consecutive sides

9th grade (32 decks)

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