Study Flashcards

0
Q

Polygons

A

3 or more sides
A closed 2D shape
Straight sides

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1
Q

Sum of triangle angles

A

180 degrees

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2
Q

Equilateral triangle

A

All sides equal in length with all angles 60 degrees

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3
Q

Isosceles triangle

A

Two sides and angles are equal in length.

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4
Q

Scalene triangle

A

All angles and sides different in length.

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5
Q

Right angle triangle

A

One angle 90 degrees

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6
Q

Obtuse angle triangle

A

One angle obtuse because otherwise sum of angle will be over 180 degrees

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7
Q

Acute angled triangle

A

All angles less than 90 degrees sides are not equal

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8
Q

Quadrilateral

A

Closed 2D shape with 4 sides

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9
Q

Square

A

All angles are right angles and all sides equal in length

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10
Q

Rectangle

A

All angle 90 degrees (right angles) two opposite sides equal in length.

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11
Q

Parrellogram

A

Parrellogram has 2 opposite sides equal in length and 2 opposite sides Parrell to each other.

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12
Q

Rhombus

A

2 opposite sides of Parrell lines. All sides equal in length

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13
Q

Kite

A

2 opposite equal lines. 2 equal angles (opposite)

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14
Q

Sum of angle in quadrilateral

A

360 degrees

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15
Q

Trapezium

A

2 opposite lines of Parrell lines

16
Q

Shape with 5 sides

A

Pentagon

17
Q

Shape with 6 sides

A

Hexagon

18
Q

Shape with 7 sides

A

Heptagon

19
Q

Shapes with 8 sides

A

Octagon

20
Q

Shape with 9 sides

A

Nonagon

21
Q

Shape with 10 sides

A

Decagon

22
Q

Shape with 11 sides

A

Undecagon

23
Q

Shape with 20 sides

A

Icosagon

24
Q

Shape with 12 sides

A

Dodecagon