Formulae: Unit 8

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  • Created by: annanolan
  • Created on: 28-12-16 16:38
What three things do you need to describe a rotation?
direction of rotation, angle of turn, the centre of rotation
1 of 7
What is an enlargement?
A transformation where all the side lengths of a shape are multiplied by the same scale factor
2 of 7
What two things do you need to describe an enlargement?
centre of enlargement, scale factor
3 of 7
What is the area enlarged by when a shape is enlarged by k?
k^2
4 of 7
What does a negative scale factor do to the image?
It takes it to the opposite side of the the centre of enlargement
5 of 7
How do you describe a translation?
Using a column vector
6 of 7
How do you construct a triangle?
Using a ruler and compass, drawing arcs
7 of 7

Other cards in this set

Card 2

Front

What is an enlargement?

Back

A transformation where all the side lengths of a shape are multiplied by the same scale factor

Card 3

Front

What two things do you need to describe an enlargement?

Back

Preview of the front of card 3

Card 4

Front

What is the area enlarged by when a shape is enlarged by k?

Back

Preview of the front of card 4

Card 5

Front

What does a negative scale factor do to the image?

Back

Preview of the front of card 5
View more cards

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