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Determining the scale factor of the enlargement of a triangle

Description: 👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that ...
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Higher − Negative enlargements

Key points Check your understanding Enlarging with a negative scale factor Multiply these displacements by the scale factor. Using these values, count in the opposite direction from the centre of ...
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Determining the scale factor of two quadrilaterals

Sure, here is the description with all links and additional text removed: Description: 👉 Learn about dilations. Dilation is ...
BBC

Higher – Similarity in 2D and 3D shapes

For similar 2D and 3D shapes, there is a relationship between the length scale factor and the area, surface area or volume of the enlarged shapes. Areas increase by a factor equivalent to the length ...