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Maths > Modual 2 > Flashcards

Modual 2 Flashcards

1
Q

What do angles on a point add up to?

A

360 degreases

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2
Q

Whenever one straight line crosses two parallel lines than the two bunches of angles are….. e.g. a+b

A

The same e.g. a+b=180

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3
Q

What do all of the angles inside a triangle add up to?

A

180 degreases

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4
Q

What do all of the angles in a quadrilateral add up to?

A

360 degrease

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5
Q

What do the exterior angles of a triangle add up to? e.g. a+b

A

The sum of the opposite interior angles e.g. a+b=d

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6
Q

What are parallel lines in a Z-shape called?

A

Alternate Angles

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7
Q

If the angles inside parallel lines add up to 180 degrease, what do we call the angles?

A

Supplementary Angles

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8
Q

What are parallel lines in a F-Shape called?

A

Corresponding Angles

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9
Q

What is the sum of the exterior angles in a polygon add up to?

A

360 degrease

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10
Q

What is the sum of the interior angles in a polygon add up to?

A

(n-2) x 180

where n is the number of sides

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11
Q

What is the sum of the exterior angle?

A

360/No. of sides

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12
Q

What is the sum for the interior angles?

A

180 - exterior angle

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13
Q

For bearings, what should you do when you have a ‘form’ question?

A

Put your pencil on the diagram at the point you are going ‘from’

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14
Q

What do angles in a semi-circle add up to?

A

90 degrease

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15
Q

When a triangle is drawn in a semicircle, the point that meets the radius + tangent, what does that angle always equal?

A

90 degrease

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16
Q

What is a tangent?

A

A line that just touches the edge of the circle and the radius curve

17
Q

What is a cord?

A

Any line drawn across a circle

18
Q

What are angles in the opposite segment?

A

Equal

19
Q

What do opposite angles of a cyclic add up to? e.g. a+c, b+d

A

180 degrease e.g. a+c = 180, b+d= 180

20
Q

What does congruent mean?

A 
If any of these rules apply:
SSS
ASA 
SAS
RHS
21
Q

What is SSS?

A

Side, Side, Side.

If three of the given sides of one triangle are equal to the three given sides of another triangle

22
Q

What is ASA

A

Angle, Side, Angle

If two angles and the given side of one triangle are equal to two angles and the given side of another triangle

23
Q

What is SAS?

A

Side, Angle, Side

If two sides and the given angle of one triangle are equal to two sides and the given angle of another triangle

24
Q

What is RHS?

A

Right-angle, hypotenuse, side
If the right-angle, hypotenuse and the given side of one triangle is equal to the right-angle, hypotenuse and the given side of another triangle

25
Q

What do angles on a straight line add up to?

A

180 degreases

Maths (12 decks)

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