Lesson

Do you know how a translation, reflection or rotation changes the position of a shape or object?

Choose the picture that shows a reflection.

A

B

C

Worked Solution

Idea summary

Translations, reflections and rotations change the position or orientation of the shape, but the shape itself stays the same.

An enlargement is another way to transform a shape or object. Let's learn more about them now.

The right rectangle is an enlargement of the left rectangle.

a

What is the enlargement factor?

Worked Solution

b

Write the scale of the small rectangle to the large rectangle.

Worked Solution

Idea summary

An enlargement keeps the same shape but changes the size of it.

Apply the enlargement transformation to familiar two dimensional shapes and explore the properties of the resulting image compared with the original