### Exercise

##### Question 1

The rectangles pqrs and PQRS are similar. What is the length of PS?

##### Question 2

wxyz and WXYZ are similar. What is the length of XY?

##### Question 3

These two shapes are similar.

What is the length of *x*?

##### Question 4

Two similar pyramids have volumes of 64cm^{3} and 343cm^{3}. What is the ratio of their surface areas?

**Congruence and Similarity** – exam-styled questions (PDF)

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