[b][color=#0000ff][url=https://docs.google.com/document/d/14ZVo3KYR9NqVMFagPwZmucnSIdrqnM892AXSnvCAy8A/edit?usp=sharing]Link to Proof Activity[/url][/color][/b]
What is the 'How to Prove?' slider showing? How do the added details show how to prove the theorem?