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MATH 301 > Geometry Terms To Know > Flashcards

Geometry Terms To Know Flashcards

1
Q

Polygon

A

a simple closed curve made up of line segments.

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2
Q

Regular Polygon

A

a polygon in which all angles are congruent (equiangular) and all sides are the same length (equilateral).

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3
Q

Equiangular

A

all angles are congruent.

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4
Q

Equilateral

A

all sides are the same length

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5
Q

Congruent

A

Identical

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6
Q

Convex Polygon

A

Any plygon where a line segment joining any 2 points inside the polygon lies completely inside the polygon.

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7
Q

Concave Polygon

A

a polygon that is not convex; that is, there exists a line segment joining 2 points inside the polygon that does not lie completely inside the polygon.

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8
Q

What is the definition of a Triangle?

A

a three sided polygon

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9
Q

Define Scalene Triangle

A

all sides are of different lengths.

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10
Q

Define Isocelese Triangle

A

at least two sides are the same length.

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11
Q

Equilateral Triangle

A

all three sides are the same length.

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12
Q

Name these three shapes:

A

a. ) Scalene Triangle
b. ) Isoceles Triangle
c. ) Equilateral Triangle

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13
Q

Define Quadrilateral

A

a four sided polygon.

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14
Q

Define square

A

a quadrilateral with four equal sides and four right angles.

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15
Q

Define Rectangle

A

a quadrilateral with four right angles.

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16
Q

Define Parallelogram

A

a quadrilateral with both pairs of its opposite sides parallel.

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17
Q

Trapezoid

A

a quadrilateral with exactly one pair of parrallel sides.

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18
Q

Define Rhombus

A

a quadrilateral with four sides equal in length with no right angles. Exception: square.

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19
Q

Define Pentagon

A

a 5-sided polygon.

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20
Q

Define Hexagon

A

a 6-sided polygon.

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21
Q

Define Heptagon

A

a 7-sided polygon.

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22
Q

Define Octagon

A

an 8-sided polygon.

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23
Q

Define Nonagon

A

a 9-sided polygon.

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24
Q

Define decagon

A

a 10-sided polygon.

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25
Q

Define Undecagon

A

an 11-sided polygon.

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26
Q

Define Dodecagon

A

a 12-sided polygon.

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27
Q

a simple closed curve made up of line segments.

A

Polygon

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28
Q

a polygon in which all angles are congruent (equiangular) and all sides are the same length (equilateral).

A

Regular Polygon

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29
Q

all angles are congruent.

A

Equiangular

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30
Q

all sides are the same length

A

Equilateral

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31
Q

Identical

A

Congruent

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31
Q

Identical

A

Congruent

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32
Q

Any plygon where a line segment joining any 2 points inside the polygon lies completely inside the polygon.

A

Convex Polygon

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32
Q

Any plygon where a line segment joining any 2 points inside the polygon lies completely inside the polygon.

A

Convex Polygon

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33
Q

a polygon that is not convex; that is, there exists a line segment joining 2 points inside the polygon that does not lie completely inside the polygon.

A

Concave Polygon

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33
Q

a polygon that is not convex; that is, there exists a line segment joining 2 points inside the polygon that does not lie completely inside the polygon.

A

Concave Polygon

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34
Q

a three sided polygon

A

What is the definition of a Triangle?

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34
Q

a three sided polygon

A

What is the definition of a Triangle?

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35
Q

all sides are of different lengths.

A

Define Scalene Triangle

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35
Q

all sides are of different lengths.

A

Define Scalene Triangle

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36
Q

at least two sides are the same length.

A

Define Isocelese Triangle

36
Q

at least two sides are the same length.

A

Define Isocelese Triangle

37
Q

all three sides are the same length.

A

Equilateral Triangle

37
Q

all three sides are the same length.

A

Equilateral Triangle

38
Q

a. ) Scalene Triangle
b. ) Isoceles Triangle
c. ) Equilateral Triangle

A

Name these three shapes:

38
Q

a. ) Scalene Triangle
b. ) Isoceles Triangle
c. ) Equilateral Triangle

A

Name these three shapes:

39
Q

a four sided polygon.

A

Define Quadrilateral

39
Q

a four sided polygon.

A

Define Quadrilateral

40
Q

a quadrilateral with four equal sides and four right angles.

A

Define square

40
Q

a quadrilateral with four equal sides and four right angles.

A

Define square

41
Q

a quadrilateral with four right angles.

A

Define Rectangle

41
Q

a quadrilateral with four right angles.

A

Define Rectangle

42
Q

a quadrilateral with both pairs of its opposite sides parallel.

A

Define Parallelogram

42
Q

a quadrilateral with both pairs of its opposite sides parallel.

A

Define Parallelogram

43
Q

a quadrilateral with at least one pair of parrallel sides.

43
Q

a quadrilateral with at least one pair of parrallel sides.

44
Q

a quadrilateral with four sides equal in length with no right angles.

A

Define Rhombus

44
Q

a quadrilateral with four sides equal in length with no right angles.

A

Define Rhombus

45
Q

a 5-sided polygon.

A

Define Pentagon

45
Q

a 5-sided polygon.

A

Define Pentagon

46
Q

a 6-sided polygon.

A

Define Hexagon

46
Q

a 6-sided polygon.

A

Define Hexagon

47
Q

a 7-sided polygon.

A

Define Heptagon

47
Q

a 7-sided polygon.

A

Define Heptagon

48
Q

an 8-sided polygon.

A

Define Octagon

48
Q

an 8-sided polygon.

A

Define Octagon

48
Q

an 8-sided polygon.

A

Define Octagon

49
Q

a 9-sided polygon.

A

Define Nonagon

50
Q

a 10-sided polygon.

A

Define decagon

50
Q

a 10-sided polygon.

A

Define decagon

50
Q

a 10-sided polygon.

A

Define decagon

51
Q

an 11-sided polygon.

A

Define Undecagon

51
Q

an 11-sided polygon.

A

Define Undecagon

52
Q

a 12-sided polygon.

A

Define Dodecagon

52
Q

a 12-sided polygon.

A

Define Dodecagon

52
Q

a 12-sided polygon.

A

Define Dodecagon

53
Q

Congruent

54
Q

Convex Polygon

A

Any plygon where a line segment joining any 2 points inside the polygon lies completely inside the polygon.

55
Q

Concave Polygon

A

a polygon that is not convex; that is, there exists a line segment joining 2 points inside the polygon that does not lie completely inside the polygon.

56
Q

What is the definition of a Triangle?

A

a three sided polygon

57
Q

Define Scalene Triangle

A

all sides are of different lengths.

58
Q

Define Isocelese Triangle

A

at least two sides are the same length.

59
Q

Equilateral Triangle

A

all three sides are the same length.

60
Q

Name these three shapes:

A

a. ) Scalene Triangle
b. ) Isoceles Triangle
c. ) Equilateral Triangle

61
Q

Define Quadrilateral

A

a four sided polygon.

62
Q

Define square

A

a quadrilateral with four equal sides and four right angles.

63
Q

Define Rectangle

A

a quadrilateral with four right angles.

64
Q

Define Parallelogram

A

a quadrilateral with both pairs of its opposite sides parallel.

65
Q

Trapezoid

A

a quadrilateral with at least one pair of parrallel sides.

66
Q

Define Rhombus

A

a quadrilateral with four sides equal in length with no right angles.

67
Q

Define Pentagon

A

a 5-sided polygon.

68
Q

Define Hexagon

A

a 6-sided polygon.

69
Q

Define Heptagon

A

a 7-sided polygon.

70
Q

Define Octagon

A

an 8-sided polygon.

71
Q

Define Octagon

A

an 8-sided polygon.

72
Q

Define decagon

A

a 10-sided polygon.

73
Q

Define decagon

A

a 10-sided polygon.

74
Q

Define Undecagon

A

an 11-sided polygon.

75
Q

Define Dodecagon

A

a 12-sided polygon.

76
Q

Define Dodecagon

A

a 12-sided polygon.

MATH 301 (23 decks)

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