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Math 7 Reviewer > Polygons > Flashcards

Polygons Flashcards

1
Q

A union of non-collinear segments.

A

Polygon

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2
Q

The endpoint of a polygon.

A

Vertices

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3
Q

Terminology: Line segments that make up a Polygon.

A

Side

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4
Q

Terminology: segments that join non-consecutive segments.

A

Diagonal

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5
Q

Angles of a polygon formed by two sides.

A

Interior Angles

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6
Q

Angles formed by an extended line of a Polygon.

A

Exterior Angles

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7
Q

Types of Polygon: 3

A

Equiangular
Equilateral
Regular

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8
Q

All angles having the same length.

A

Equiangular

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9
Q

All sides are equal.

A

Equilateral

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10
Q

both equilateral & equiangular (all sides equal and angles equal)

A

Regular Polygon

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11
Q

Type of Polygon:
3 sides, provide the sum of its interior angles.

A

Triangle = 180

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12
Q

Type of Polygon:
4 sides, provide the sum of its interior angles.

A

Quadrilateral = 360

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13
Q

Type of Polygon:
5 sides, provide the sum of its interior angles.

A

Pentagon = 540

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14
Q

Type of Polygon:
6 sides, provide the sum of its interior angles.

A

Hexagon = 720

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15
Q

Type of Polygon:
7 sides, provide the sum of its interior angles.

A

Heptagon = 900

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16
Q

Type of Polygon:
8 sides, provide the sum of its interior angles.

A

Octagon = 1080

17
Q

Type of Polygon:
9 sides, provide the sum of its interior angles.

A

Nonagon = 1260

18
Q

Type of Polygon:
10 sides, provide the sum of its interior angles.

A

Decagon = 1440

19
Q

Type of Polygon:
11 sides, provide the sum of its interior angles.

A

Undecagon = 1620

20
Q

Type of Polygon:
12 sides, provide the sum of its interior angles.

A

Dodecagon = 1800

21
Q

Measures less than 180

A

Convex Polygon

22
Q

Measures more than 180

A

Concave Polygon

23
Q

Solving for amount of Diagonals

A

n (sides) - 3

24
Q

Solving for amount of Triangles

A

n (sides) - 2

25
Q

Solving for Interior Angle

A

180 (n-2)

26
Q

Solving for Sides

A

180 (n-2)
divided by
n

27
Q

Sum of Exterior angles will always be _______ degrees.

A

360

28
Q

Solving for exterior angles

A

n (sides) divided by 360 OR 360
—————–
n (sides)

Math 7 Reviewer (1 decks)

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