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Walbottle Higher Facts 2 By Area > Shape 1 Facts > Flashcards

Shape 1 Facts Flashcards

1
Q

How many degrees are in a full turn?

A

360

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2
Q

How many degrees in a right angle?

A

90

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3
Q

What do we call an angle between 0 and 90 degrees?

A

An acute angle

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4
Q

What’s a reflex angle?

A

An angle between 180 and 360 degrees.

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5
Q

What’s an obtuse angle?

A

An angle between 90 and 180 degrees

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6
Q

What do we call a triangle where all three sides have the same length?

A

Equilateral

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7
Q

What do we call a triangle with exactly two equal sides and equal base angles?

A

Isosceles

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8
Q

What do we call a triangle with three different lengths of sides?

A

Scalene

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9
Q

How many equal length sides does an isosceles triangle have?

A

2

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10
Q

Name a difference between an equilateral and isosceles triangle.

A

An isosceles triangle has 2 equal length sides, an equilateral triangle has 3 equal length sides.

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11
Q

Describe the angle properties of a parallelogram.

A

Opposite angles are equal. Consecutive angles sum to 180 degrees.

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12
Q

Describe the properties of the diagonals of a square

A

The diagonals are perpendicular to and bisect each other.

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13
Q

What are the properties of the diagonals of a kite ?

A

The diagonals cross at right angles cross at right angles and one bisects the other.

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14
Q

What do we call a quadrilateral with four equal length sides, no right angles and two pairs of parallel sides?

A

Rhombus

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15
Q

What do we call the quadrilateral with two pairs of equal side lengths that are adjacent to each other?

A

Kite

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16
Q

What kind of angle is at the corner of a rectangle?

A

A right angle

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17
Q

How many pairs of parallel sides does a trapezium have?

A

1

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18
Q

How many pairs of parallel sides does a rhombus have?

A

2

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19
Q

How many pairs of parallel sides does a parallelogram have?

A

2

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20
Q

How many pairs of parallel sides does a rectangle have?

A

2

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21
Q

How many sides does a decagon have?

A

10

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22
Q

What do we call a polygon with eight sides?

A

Octagon

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23
Q

What do we call a four sided shape?

A

Quadrilateral

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24
Q

What do we call a polygon with five sides?

A

A pentagon

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25
Q

What’s a hexagon?

A

A six sided shape

26
Q

How many sides does a dodecagon have?

A

12

27
Q

Why is a circle not a polygon?

A

It’s edge is curved

28
Q

How many faces does a cube have?

A

6

29
Q

How many vertices does a cube have?

A

8

30
Q

How many edges does a cube have?

A

12

31
Q

How many faces does a triangular prism have?

A

5

32
Q

How many faces does a cuboid have?

A

6

33
Q

What shape is the cross section of a cylinder?

A

A circle

34
Q

How many vertices does a square based pyramid have?

A

5

35
Q

What do adjacent angles on a straight line add to?

A

180 degrees

36
Q

What do we call angles across each other on an “x”shape?

A

Vertically opposite angles

37
Q

What do we call angles on parallel lines that are inside a “Z shape”

A

Alternate angles

38
Q

What do we call equal angles on parallel lines that “slide down an F shape”?

A

Corresponding angles

39
Q

What do we do on lines to show they are parallel?

A

Arrowheads

40
Q

What do we call two angles “inside” two parallel lines that sum to make 180 degrees?

A

Co-interior

41
Q

What’s the order of rotational symmetry of a square?

A

4

42
Q

What’s the order of rotational symmetry of a rectangle?

A

2

43
Q

What’s the order of rotational symmetry of a regular pentagon?

A

5

44
Q

What’s the order of rotational symmetry of an equilateral triangle?

A

3

45
Q

What’s the order of rotational symmetry of a letter “p”?

A

No rotational symmetry

46
Q

How many lines of symmetry does a square have?

A

4

47
Q

How many lines of symmetry does a rectangle have?

A

2

48
Q

How many lines of symmetry does a kite have?

A

1

49
Q

What’s the formula for the sum of the interior angles of an n-sided polygon?

A

180(n-2)

50
Q

What’s the size of each angle in an equilateral triangle?

A

60 degrees

51
Q

What’s the sum of the exterior angles of a polygon?

A

360 degrees

52
Q

What’s the sum of the exterior and interior angle of any polygon?

A

180 degrees

53
Q

What’s the sum of the interior angles in a quadrilateral?

A

360 degrees

54
Q

What’s the sum of the interior angles in a triangle?

A

180 degrees

55
Q

What’s the sum of the interior angles in a pentagon?

A

540 degrees

56
Q

What’s the sum of the interior angles in a hexagon?

A

720 degrees

57
Q

What are the four tests for triangle congruency? Give the initials.

A

SSS, SAS, ASA (or AAS), RHS

58
Q

What do we call two triangles with equal corresponding angles and proportionate sides?

A

Similar triangles

59
Q

What does congruent mean?

A

Identical

60
Q

If two triangles have the same three angles, why might they not be congruent?

A

They could have different side lengths

61
Q

In the triangle congruency condition RHS, what do R, H and S stand for?

A

Right angle, hypotenuse and side.

Walbottle Higher Facts 2 By Area (7 decks)

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