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Third Year Flashcards

(24 cards)

1
Q

Line

A

Goes through 2 points and continues in in both directions

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2
Q

Line segment

A

A between two points

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3
Q

Ray

A

A line that starts at a point and continues after

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4
Q

Perpendicular lines

A

Lines that meet at 90 degrees

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5
Q

Parallel lines

A

Lines that will never meet

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6
Q

Collinear points

A

Points that are on the same line

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7
Q

Supplementary angles

A

Angles that add up to 180 degrees

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8
Q

Complementary angles

A

Angles that add up to 90 degrees

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9
Q

Axiom

A

A statement without proof
A straight line is 180 degrees
There is exactly one line through any two points

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10
Q

Plane

A

Flat 2D surface

It has no thickness

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11
Q

Corollary

A

A statement that follows on from a theorem

Each angle is a semi-circle is a right angle

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12
Q

Converse

A

A statement made by reversing a theorem
If P = Q
Converse: Q = P

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13
Q

Theorem

A

A statement with proof
The angles in a triangle add up 180 degrees
In a parallelogram, opposite sides and opposite angles are equal

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14
Q

Congruent triangles

A

Triangles that are the exact same

SSS, ASA, SAS, RHS

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15
Q

Axes of symmetry

A

Imaginary folding line that divides objects evenly

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16
Q

Centre of symmetry

A

Where more than one axis of symmetry meets

17
Q

Similar triangles

A

Triangles with the same angles, sides are proportional

18
Q

Cyclic Quadrilaterals

A

Opposite sides are equal to 180 degrees

19
Q

Equiangular

A

All angles are equal

20
Q

Trial

A

Act of doing experiments

21
Q

Outcome

A

Possible answer

22
Q

Event

A

Occurrence of particular outcome

23
Q

Expected frequency

A

Number of trials X probability/relative frequency

24
Q

How many cards in a deck