Challenge 2a: Reflection in the line y = a
- Author:
- Nicola Trubridge
- Topic:
- Reflection
What stays the same and what changes as you move the points around?
Where would the co-ordinate (x,y) map to?
隨著點的移動，什麼保持不變，什麼改變？
坐標（x，y）會映射到哪裡？
Created by N.Trubridge