New Zealand
Level 6 - NCEA Level 1

# Enlargements, Ratio and Scale Factors

## Interactive practice questions

Triangle ABC has been enlarged to triangle A'B'C'. What is the scale factor?

$2$2

A

$\frac{1}{2}$12

B

$3$3

C

$1$1

D

$2$2

A

$\frac{1}{2}$12

B

$3$3

C

$1$1

D
Easy
Less than a minute

Triangle A'B'C' has been reduced to form a smaller triangle ABC. What is the scale factor?

Consider the following quadrilaterals.

Which unit do we use to express the scale factor?

### Outcomes

#### GM6-8

Compare and apply single and multiple transformations

#### GM6-9

Analyse symmetrical patterns by the transformations used to create them

#### 91034

Apply transformation geometry in solving problems