2. Angles around a point add up to...
For this activity, we will be dragging the pink points around to see what happens to the angles α, β, γ and δ as well as what we can observe.
Questions
What do you notice about the sum of all four angles?
Does the length of the line matter? Why / why not?
*Quickfire Challenge!*
Let us hide one of the angles and see if you can work out the missing angle!