Friday, April 10

Today’s Discussion Topics

Test 3 is next Friday

Today’s New Topics

Play with the handout
Absolute standard of length

Tonight’s Homework

Read pages 287-295
Turn in Wednesday, April 15: Homework 5: For the Saccheri quadrilateral example from class,
calculate d(A,B) and the angle at vertex C.
Bonus: Calculate d(C,D). Simplify your answers.
Do Exercise 11.2 # 5 (a), (b), (c) Hint: The other circle is (x-3)^2 + y^2 =5
Bonus: Do # 5 (d)