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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
Define **Undeca**gon
an 11-sided polygon.
26
Define **Dodeca**gon
a 12-sided polygon.
27
a simple closed curve made up of line segments.
Polygon
28
a polygon in which all angles are congruent (equiangular) and all sides are the same length (equilateral).
Regular Polygon
29
all angles are congruent.
Equiangular
30
all sides are the same length
Equilateral
31
Identical
Congruent
31
Identical
Congruent
32
Any plygon where a line segment joining any 2 points inside the polygon lies completely inside the polygon.
Convex Polygon
32
Any plygon where a line segment joining any 2 points inside the polygon lies completely inside the polygon.
Convex Polygon
33
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.
Concave Polygon
33
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.
Concave Polygon
34
a three sided polygon
What is the definition of a Triangle?
34
a three sided polygon
What is the definition of a Triangle?
35
all sides are of different lengths.
Define Scalene Triangle
35
all sides are of different lengths.
Define Scalene Triangle
36
at least two sides are the same length.
Define Isocelese Triangle
36
at least two sides are the same length.
Define Isocelese Triangle
37
all three sides are the same length.
Equilateral Triangle
37
all three sides are the same length.
Equilateral Triangle
38
a. ) Scalene Triangle b. ) Isoceles Triangle c. ) Equilateral Triangle
Name these three shapes:
38
a. ) Scalene Triangle b. ) Isoceles Triangle c. ) Equilateral Triangle
Name these three shapes:
39
a four sided polygon.
Define Quadrilateral
39
a four sided polygon.
Define Quadrilateral
40
a quadrilateral with four equal sides and four right angles.
Define square
40
a quadrilateral with four equal sides and four right angles.
Define square
41
a quadrilateral with four right angles.
Define Rectangle
41
a quadrilateral with four right angles.
Define Rectangle
42
a quadrilateral with both pairs of its opposite sides parallel.
Define Parallelogram
42
a quadrilateral with both pairs of its opposite sides parallel.
Define Parallelogram
43
a quadrilateral with at least one pair of parrallel sides.
Trapezoid
43
a quadrilateral with at least one pair of parrallel sides.
Trapezoid
44
a quadrilateral with four sides equal in length with no right angles.
Define Rhombus
44
a quadrilateral with four sides equal in length with no right angles.
Define Rhombus
45
a 5-sided polygon.
Define **Penta**gon
45
a 5-sided polygon.
Define **Penta**gon
46
a 6-sided polygon.
Define **Hexa**gon
46
a 6-sided polygon.
Define **Hexa**gon
47
a 7-sided polygon.
Define Heptagon
47
a 7-sided polygon.
Define Heptagon
48
an 8-sided polygon.
Define Octagon
48
an 8-sided polygon.
Define Octagon
48
an 8-sided polygon.
Define Octagon
49
a 9-sided polygon.
Define **Non**agon
50
a 10-sided polygon.
Define **deca**gon
50
a 10-sided polygon.
Define **deca**gon
50
a 10-sided polygon.
Define **deca**gon
51
an 11-sided polygon.
Define **Undeca**gon
51
an 11-sided polygon.
Define **Undeca**gon
52
a 12-sided polygon.
Define **Dodeca**gon
52
a 12-sided polygon.
Define **Dodeca**gon
52
a 12-sided polygon.
Define **Dodeca**gon
53
Congruent
Identical
54
Convex Polygon
Any plygon where a line segment joining any 2 points inside the polygon lies completely inside the polygon.
55
Concave Polygon
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
What is the definition of a Triangle?
a three sided polygon
57
Define Scalene Triangle
all sides are of different lengths.
58
Define Isocelese Triangle
at least two sides are the same length.
59
Equilateral Triangle
all three sides are the same length.
60
Name these three shapes:
a. ) Scalene Triangle b. ) Isoceles Triangle c. ) Equilateral Triangle
61
Define Quadrilateral
a four sided polygon.
62
Define square
a quadrilateral with four equal sides and four right angles.
63
Define Rectangle
a quadrilateral with four right angles.
64
Define Parallelogram
a quadrilateral with both pairs of its opposite sides parallel.
65
Trapezoid
a quadrilateral with at least one pair of parrallel sides.
66
Define Rhombus
a quadrilateral with four sides equal in length with no right angles.
67
Define **Penta**gon
a 5-sided polygon.
68
Define **Hexa**gon
a 6-sided polygon.
69
Define Heptagon
a 7-sided polygon.
70
Define Octagon
an 8-sided polygon.
71
Define Octagon
an 8-sided polygon.
72
Define **deca**gon
a 10-sided polygon.
73
Define **deca**gon
a 10-sided polygon.
74
Define **Undeca**gon
an 11-sided polygon.
75
Define **Dodeca**gon
a 12-sided polygon.
76
Define **Dodeca**gon
a 12-sided polygon.
77
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MATH 301 (23 decks)

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