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Maths > Shapes > Flashcards

Shapes Flashcards

1
Q

What is the reflection of shapes

A

Reflect the object on the other side of the mirror line

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2
Q

What is the translation of shapes

A

Moving by instructions

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3
Q

In translation what does -x
-x
Mean?

A

X left

X down

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4
Q

What does the rotation of shapes mean

A

The number of times it fits itself into a 360 turn by a dot use tracing paper

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5
Q

What is the enlargement of shapes

A

An enlargement changes the size of an object but the shape stays the same

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6
Q

What is the formula for the area of a triangle

A

BxHdividedby2

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7
Q

What is the formula for the area of atrapezium

A

Split the 2 triangles find the area put them back together and add it to the squares area

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8
Q

What is the formula for a parellelogram area

A

BxH

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9
Q

What is the formula for the circumference of a circle

A

Pi x diameter

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10
Q

What is the radius

A

The distance from the centre to the edge

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11
Q

Circumference is

A

Pi x d

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12
Q

Area of a circle

A

Pi r2

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13
Q

The area of a triangular prism ( surface area)

A

Find the area of each face and then add them together

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14
Q

What is the formula for the longest side in Pythagoras theorem

A

a2 + b2 = c2

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15
Q

What is the formula for the shortest side in Pythagoras theorem

A

a2-c2= b2

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16
Q

What is surface area

A

Taking apart

17
Q

What is volume

A

h ^ b ^ w

h ^ b^ w

^ = multiply

18
Q

How do you work out the perimeter of a semi circle

A

If the whole circle is x then it would be x. X pi
-
2

19
Q

Definition of congruent

A

The same exact shape but translated

20
Q

What is a polygon

A

A 2D shape with straight lines

21
Q

What are the 2 types of polygon

A

Regular and irregular

Maths (6 decks)

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