Congruence and Similarity

The corresponding sides of two similar figures are in the ratio $7:3$7:3.

a

State the length scale factor from the left figure to the right figure.

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b

State the area scale factor from the left figure to the right figure.

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Easy

Approx 2 minutes

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Recognise when shapes are similar and use proportional reasoning to find an unknown length

Apply geometric reasoning in solving problems