\( \DeclareMathOperator{cosec}{cosec} \)

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Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

- Scale Factors Video The scale factor, area factor and volume factor of similar shapes are quite different.
- Similar Shapes Questions about the scale factors of lengths, areas and volumes of similar shapes.

Here are some exam-style questions on this statement:

- "
*Jack knows that he needs 4 litres of paint to cover a rectangular wall that is 3m by 8m.*" ... more - "
*The circumference of the red circle is 80% of the circumference of the blue circle.*" ... more - "
*The three boxes pictured below are mathematically similar.*" ... more - "
*Two similar pentagonal based pyramids have surface areas 200 cm*" ... more^{2}and 50 cm^{2}respectively.

Here are some Advanced Starters on this statement:

**Square in Rectangle**

Find the area of a square drawn under the diagonal of a rectangle more**Three Right Triangles**

Calculate the lengths of the unlabelled sides of these right-angled triangles. more

Click on a topic below for suggested lesson Starters, resources and activities from Transum.

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