Numerical Work with BIG Circles

Numerical Work with BIG Circles

A BIG circle question combines all (or most) of your circle angle formulas into one question. You may also need to apply other strategies to find all of the missing angles.

Question:
Numerical Work with BIG Circles 1
Numerical Work with BIG Circles 2
Solution:
Find the arcs. Then find the angles in any order that you wish.
Numerical Work with BIG Circles 3 Also, many of the angles could be found by remembering that there are 180° in a triangle.