3. A B CA’ B’ C’ Similar Shapes The following diagram shows an enlargement by a scale factor 3 of triangle ABC Note Each length on the enlargement A’B’C’ is three times the corresponding length on the original shape. The distance of any point on the enlargement from the centre of enlargement is three times longer than the corresponding distance on the original shape

4. Enlarge the Following Shapes 1) Scale factor 2 2) Scale factor 3 3) Scale factor 1/2 4 1 Draw this face in your book to your choice (suggest 1cm high by 2 cm wide) 4 4

5. Solutions 1) Scale factor 2 2) Scale factor 3 8 2

6. 3) Scale factor 1/2 Thus 4 triangles fit into the original triangle.