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Math > Geo 1 > Flashcards

Geo 1 Flashcards

1
Q

A location

A

Point

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2
Q

Straight path of points that infinitely long

A

Line

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3
Q

A flat surface of points that’s infinitely large

A

Plane

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4
Q

Three or more points on the same line

A

Collinear points

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5
Q

Three or more points not on the same line

A

Noncollinear points

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6
Q

Part of a line with one endpoint

A

Ray

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7
Q

A point on the end of a segment or a ray

A

Endpoint

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8
Q

Part of a line with two endpoints/2 points on a line and all the points in between

A

Segment

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9
Q

Lines in the same plane that do not intersect

A

Parallel lines

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10
Q

Lines not on the same plane that do not intersect

A

Skew lines

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11
Q

Line segments that have the same length

A

Congruent segments

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12
Q

A point that divides a segment into two congruent segments

A

Midpoint

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13
Q

A figure formed from two rays that share the same in point

A

Angle

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14
Q

The common endpoint shared by the two rays of an angle

A

Vertex

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15
Q

Lines that intersect to form right angles

A

Perpendicular lines

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16
Q

Two angles with measures that add up to 90°

A

Complementary angles

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17
Q

Two angles with measures that add up to 180°

A

Supplementary angles

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18
Q

Adjacent supplementary angles

A

Linear pair

19
Q

A ray that divides an angle into two congruent angles

A

Angle bisector

20
Q

Angles that share a vertex and share a side but do not overlap

A

Adjacent angles

21
Q

The non-adjacent angles that are formed when two lines intersect

A

Vertical angles

22
Q

A line that intersects with two or more lines

A

Transversal

23
Q

Angles on the inside

A

Interior angles

24
Q

Angles on the outside

A

Exterior angles

25
Q

Three sided polygon

A

Triangle

26
Q

All angles less than 90°

A

Acute triangle

27
Q

One right angle

A

Right Triangle

28
Q

One obtuse angle

A

Obtuse triangle

29
Q

No congruent sides

A

Scalene triangle

30
Q

At least two congruent sides

A

Isosceles triangle

31
Q

All congruent sides

A

Equilateral triangle

32
Q

A close figure formed by segments

A

Polygon

33
Q

All sides and angles are congruent

A

Regular polygon

34
Q

A segment connecting two nonconsecutive vertices in a polygon

A

Diagonal

35
Q

All the points in a plane a given distance from a given point

A

Circle

36
Q

The given point in a plane

A

Center of a circle

37
Q

A segment with one endpoint at the center and one endpoint on the circle

A

Radius

38
Q

A segment with both endpoints on the circle

A

Chord

39
Q

A chord that goes through the center of a circle

A

Diameter

40
Q

Part of the circle

A

Arc

41
Q

Half of the circle. The ends of a diameter divide the circle and semicircles

A

Semicircle

42
Q

The distance around a circle

A

Circumference

43
Q

The ratio of circumference to diameter

A

Pi

Math (3 decks)

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