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Math > Polygons and Circles > Flashcards

Polygons and Circles Flashcards

1
Q

3 Sides

A

Triangle

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2
Q

4 Sides

A

Quadrilateral

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3
Q

5 Sides

A

Pentagon

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4
Q

6 Sides

A

Hexagon

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5
Q

7 Sides

A

Heptagon

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6
Q

8 Sides

A

Octagon

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7
Q

9 Sides

A

Nonagon

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8
Q

10 Sides

A

Decagon

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9
Q

11 Sides

A

Hendecagon

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10
Q

12 Sides

A

Dodecagon

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11
Q

13 Sides

A

Tridecagon

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12
Q

14 Sides

A

Tetradecagon

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13
Q

15 Sides

A

Pentadecagon

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14
Q

16 Sides

A

Hexadecagon

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15
Q

17 Sides

A

Heptadecagon

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16
Q

18 Sides

A

Octadecagon

17
Q

A plane figure bounded by straight lines

A

Polygon

18
Q

The lines

A

The sides

19
Q

The intersections of the lines

A

Vertices

20
Q

An angle formed by two consecutive sides of a polygon

A

Interior angle

21
Q

An angle formed by one side of a polygon and the adjacent side extended

A

Exterior angle

22
Q

Two interior angles at the end of any side

A

Consecutive angles

23
Q

Two sides that meet at any vertex

A

Consecutive or adjacent sides

24
Q

A line joining two vertices that are not consecutive

A

Diagonal

25
Q

A polygon each of whose interior angles is less than 180 degrees

A

Convex polygon

26
Q

A polygon with at least one interior angle greater than 180 degrees

A

Concave polygon

27
Q

A polygon which is both equiangular and equilateral

A

Regular polygon

28
Q

The common point where the bisectors of the interior angles intersect

A

Center of the polygon

29
Q

A closed curve in a plane all of whose points are equally distant from a fixed point in the plane called the center

A

Circle

30
Q

The perimeter of a circle

A

Circumference

31
Q

One half the length of the circumference

A

Semi-circumference

32
Q

A line through the center with its ends on the circle

A

Diameter

33
Q

A line joining the center with any point on the circle

A

Radius

34
Q

Any straight line whose ends are on the circle

A

Chord

35
Q

Any portion of a circle

A

Arc

36
Q

The arc which represents half a circle; An arc whose measure equals 180 degrees

A

Semicircle

37
Q

The arc which represents a quarter of a circle

A

Quadrant

38
Q

An arc whose measure is greater than 180 degrees

A

Major arc

39
Q

An arc whose measure is less than 180 degrees

A

Minor arc

Math (6 decks)

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