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Jared > Maths > Flashcards

Maths Flashcards

Maths

1
Q

Two straight lines that are the same perpendicular distance apart for the whole of their lengths?

A

parallel lines

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2
Q

non-adjacent opposite angles formed by two or more intersecting straight lines

A

vertically opposite angles

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3
Q

two straight lines that form a 90 Deg angle when they meet or intersect

A

perpendicular lines

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4
Q

the sum of all angles on a point

A

revolution (360 Deg)

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5
Q

any straight lines that intersects 2 or more lines

A

transversal

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6
Q

the point at which 2 or more straight lines cross

A

intersection

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7
Q

angles on different intersections, on different sides of the transvesal

A

alternate angles

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8
Q

the 2 interior angles on the same side of the transversal

A

co-interior angles

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9
Q

angles at the same position on each intersection

A

corresponding angles

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10
Q

The side opposite the right angle in a right angles triangle

A

hypotenuse

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11
Q

the value of a number when you multiply it by itself

A

the square

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12
Q

the shortest distance between a vertex of a triangle and the opposite side

A

perpendicular height

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13
Q

Angles on a straight line add up to____________?

A

180 Deg

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14
Q

Vertically opposite angles are _________?

A

Equal

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15
Q

What does the theorem of Pythagoras state?

A

in a right angles triangle, the square of the hypotenuse is equal to the sum of the squares on the other 2 sides?
(A² + B² = hypotenuse²)

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16
Q

The sum of the lengths of all 3 sides of a triangle is the

A

perimeter

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17
Q

The equation to work out the area of a triangle is …

A

(base x perpendicular height) /2

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18
Q

The result you get when you take the square root of a number which is not a perfect square

A

surd

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19
Q

an instrument used to measure the size of an angle in degrees

A

a protractor

20
Q

a direction as that taken by the hands of a clock

A

clockwise

21
Q

a line which divides either a line or an angle into 2 equal parts

A

bisector

22
Q

an instrument used for drawing arcs of a specific length

A

compass

23
Q

a part of a circumference of a circle

A

arc

24
Q

the point at which 2 or more lines or arcs cross each other

A

point of intersection

25
Q

an accurate drawing based on given measurements

A

construction

26
Q

triangles that have 3 pairs of equal angles

A

equiangular triangles

27
Q

triangles that are the same shape as each other but not the same size. They have identical angles and their sides are in proportion.

A

similar triangles.

28
Q

triangles that are exactly the same in every way.

A

congruent triangles

29
Q

the angle formed when one of the sides of a triangle is extended.

A

exterior triangle

30
Q

The angle that lies between the 2 given sides.

A

included angle

31
Q

a circle that is drawn inside a triangle and touches all sides but does not cross any of them.

A

inscribed circle

32
Q

a circle that passes perfectly through the three vertices of a triangle

A

circumscribed circle

33
Q

a circle that lies outside the triangle, but touches one of its sides and 2 of its extended sides.

A

escribed circle

34
Q

a many sided 2d figure which has all its sides equal and all its angles equal

A

regular polygon

35
Q

a 2D figure which has all its vertices on the same surface

A

plane figure

36
Q

a polygon with 6 sides

A

hexagon

37
Q

a polygon with 5 sides

A

pentagon

38
Q

To identify a parallelogram, look for

A
  • both diagonals bisecting each other
  • both pairs of opposite sides parallel
  • both sides of opposite sides equal
  • one pair of opposite sides equal and parallel
  • both pair of opposite angles equal
39
Q

To identify a rectangle, look for…

A
  • a parallelogram with a right angle
  • equal diagonals, which bisect each other
  • all four corner angles are equal
40
Q

To identify a square, look for…

A
  • a rectangle with a right angle
  • equal diagonals, which bisect each other at 90 Deg
  • equal diagonals, which bisect corner angles into equal 45 Deg angles
41
Q

To identify a rhombus, look for….

A
  • a parallelogram with a pair of adjacent sides equal
  • both diagonals bisecting each other at 90 Deg
  • both diagonals bisecting the corner angles
42
Q

a triangle that has three 60 Deg angles and 3 equal sides

A

equilateral triangle

43
Q

a triangle that has 2 equal sides, opposite the eual angles

A

isosceles

44
Q

a triangle that has no equal angles

A

scalene

45
Q

The perimeter of a circle

A

circumference

46
Q

If a 2D shape that divides the plane into 2 exact regions

A

a simple closed shape

47
Q

a shape that can be divided into 2 or more basic shapes

A

composite shape

Jared (10 decks)

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