Monday, February 3, 2014
Class #4

More on the Pythagorean Theorem (PT)

Review Pythagorean Activity Sheet:   What was needed to "prove" the PT?

Should we believe these dissection proofs?

Curry's Paradox: How Is It Possible?

Other visual tricks ...  so why should we believe Pythagoras?

Discuss Pythagorean Theorem and proofs.

Theme Question: Who first showed the earth was a sphere or shaped like a sphere?