1What is the difference between congruent and similar figures?
2Why are all squares similar, but not all rectangles?
3Explain how similar triangles let you find the height of a tree without climbing it.
4A photo 6 cm wide and 4 cm tall is enlarged so that it becomes 15 cm wide. How tall is it now, and what happens to its area?
5Why is it important to label matching corners before finding a scale factor?