Unit Circle Development - Part 3

1. Set the angle to . What is the value of the other angle?

2. This triangle is half of an equilateral triangle, where g is the line cutting the equilateral triangle in half. Recall that an equilateral triangle has three equal angles (all ) and three equal sides. What is the length of side f?

3. Use Pythagoras' Theorem to find the length of side g.