Sunday 16 November 2014

Enlargment

What 2 things do you always need to say to describe an enlargement? - How many times bigger you have made the shape, where the centre of enlargement is.

What does centre of enlargement mean?
- It shows where the x needs to go to show the projection lines go.

What is a scale factor? The scale factor is the distance between the the shape and the projection line. This shows you how much you need to enlarge the shape.

What happens to the angle sizes in the corner of the shape when you enlarge it? - The angles stay the same.

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