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Maths Year Ten > Angles > Flashcards

Angles Flashcards

1
Q

What do angles in a trapezium always add up to?

A

360*

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2
Q

What do angles on a right angle always add up to?

A

90*

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3
Q

What do angles on a straight line always add up to?

A

180*

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4
Q

What do vertically opposite angles always add up to?

A

Each other

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5
Q

What do angles around a point always add up to?

A

360*

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6
Q

What do angles in a triangle always add up to?

A

180*

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7
Q

What is the rule for angles on an equilateral triangle?

A

All angles are equal

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8
Q

What is the rule for angles on an isosceles triangle?

A

Base angles are equal

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9
Q

What is the rule for angles on a scalene triangle?

A

Angles all add up to 180*

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10
Q

How many sides does an equilateral triangle have?

A

3

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11
Q

How many sides does a square have?

A

4

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12
Q

How many sides does a pentagon have?

A

5

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13
Q

How many sides does a hexagon have?

A

6

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14
Q

How many sides does a Heptagon have?

A

7

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15
Q

How many sides does a Octogon have?

A

8

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16
Q

How many sides does a Nonagon have?

A

9

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17
Q

How many sides does a decagon have?

A

10

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18
Q

What is the size of an exterior angle on an equilateral triangle?

A

120*

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19
Q

What is the size of an exterior angle on a square?

A

90*

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20
Q

What is the size of an exterior angle on a pentagon?

A

72*

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21
Q

What is the size of an exterior angle on a hexagon?

A

60*

22
Q

What is the size of an exterior angle on a heptagon?

A

51*

23
Q

What is the size of an exterior angle on an octagon?

A

45*

24
Q

What is the size of an exterior angle on a nonagon?

A

40*

25
Q

What is the size of an exterior angle on a decagon?

A

36*

26
Q

What is the size of an interior angle on an equilateral triangle?

A

60

27
Q

What is the size of an interior angle on a square?

A

90*

28
Q

What is the size of an interior angle on a pentagon?

A

108*

29
Q

What is the size of an interior angle on a Hexagon?

A

120*

30
Q

What is the size of an interior angle on a Heptagon?

A

129*

31
Q

What is the size of an interior angle on a Octagon?

A

135*

32
Q

What is the size of an interior angle on a Nonagon?

A

140

33
Q

What is the size of an interior angle on a Decagon?

A

144*

34
Q

What is the sum of all interior angles on an equilateral triangle?

A

180*

35
Q

What is the sum of all interior angles on a square?

A

360*

36
Q

What is the sum of all interior angles on a Pentagon?

A

540*

37
Q

What is the sum of all interior angles on a Hexagon?

A

720*

38
Q

What is the sum of all interior angles on a Heptagon?

A

900*

39
Q

What is the sum of all interior angles on a Octagon?

A

1080*

40
Q

What is the sum of all interior angles on a Nonagon?

A

1260*

41
Q

What is the sum of all interior angles on a Decagon?

A

1440

42
Q

What do an interior angle and an exterior angle add up to?

A

180*

43
Q

What do the exterior angles in a polygon add up to?

A

360*

44
Q

What do the sum of the interior angles equal?

A

(N-2) X 180*

N is the number of sides in the polygon

45
Q

What are parallel lines?

A

Parallel lines are two or more lines that are always the same distance apart

46
Q

What three angles will any lines crossing two perpendicular lines create?

A

Corresponding angles, alternate angles and co-interior angles

47
Q

What is the rule for corresponding angles?

A

They are the same / equal

48
Q

What letter shape do corresponding angles form?

A

F

49
Q

What is the rule for alternate angles?

A

Alternate angles are equal

50
Q

What letter shape do alternate angles form?

A

Z

51
Q

What is the rule for co-interior angles?

A

Co interior angles add up to 180*

52
Q

What letter shape does co-interior angles form?

A

C

Maths Year Ten (6 decks)

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