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Math > DIVE MATH > Flashcards

DIVE MATH Flashcards

1
Q

1 decade

A

10 years

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2
Q

1 century

A

100 years

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3
Q

1 Millennium

A

1,000 years

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4
Q

How many sides is a triangle?

A

3

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5
Q

How many sides is a Quadrilateral ?

A

4

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6
Q

How many sides is a pentagon?

A

5

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7
Q

How many sides is a hexagon?

A

6

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8
Q

How many sides is a heptagon?

A

7

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9
Q

How many sides is a octagon

A

8

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10
Q

How many sides is a decagon?

A

10

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11
Q

How many sides is a Dodecagon ?

A

12

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12
Q

How many sides is a

N-gon?

A

n

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13
Q

What is an angle?

A

A line or segment that intersect are angles.

An angle is an opening between intersecting lines or segments.

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14
Q

Describe a “right angle”

A

Right angle means square corner

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15
Q

Describe a acute angle

A

An angle who’s opening is less than a right angle is an acute angle

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16
Q

Describe a obtuse angle

A

Bigger opening than a right angle

17
Q

Describe a “plane”

A

A plane is a flat surface that extends without end.

18
Q

Describe a polygon

A

A polygon is a flat shape formed by line segment that close in an area. Each of these shapes is a polygon

19
Q

What are the line segments that form a polygon called?

A

Sides.

Two sides meet at a vertex to form a angle

A polygon has many sides and vertices

20
Q

What do polygons not have?

A

CURVED SIDES DUMMY

21
Q

Describe shapes that are congruent.

A

Figures that have the same size and shape.

Even tho they may be tossed around in different positions

22
Q

Describe a similar shape

A

Same in shape not size

23
Q

What is a equilateral triangle?

A

All sides da same

24
Q

What Is a isosceles triangle?

A

Two of the sides are the same

25
Q

What is a Scalene triangle?

A

No sides are the same

26
Q

What does “Mean” mean in math

A

Average, done by adding all together and dividing the number by the amount of numbers

27
Q

What is the median?

A

The middle number in the set.

Find it by adding the two middle, and dividing it by two

28
Q

What is the mode of a set? How many can there be? One?

A

The mode is the number that appears the most out of the set. There can be multiple modes if the different numbers appear the same amount. There can be NO mode if all numbers are there only once.

29
Q

What is the range?

A

The difference of the highest number in the set, and the lowest number in the set

Math (2 decks)

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