Thursday, May 15, 2008
Geometry (Class 81)
Announcements
The next test will not be until May 23 due to STAR testing-- that test will cover a lot of material!
Lesson Title
Equations of Circles
Overview
In today’s class our Warm-Up continues with the theme of applied problems requiring the use of many of the concepts and skills students have studied this year. During the lesson for the day we will continue examining circles, this time placing them on the coordinate plane and seeing how the Pythagorean Theorem allows us to predict the location of a point on the circumference of the circle.
Textbook Sections
10.6 (Txt. p.636) Equations of Circles
Vocabulary
center
inscribed angle
central angle
radius (pl: radii)
chord
diameter
sections of intersecting chords
extended chords
inscribe
cyclic quadrilateral
Key Attitudes
Math is about thinking creatively.
Key Ideas
The Pythagorean Theorem can be used to develop a method for writing equations of circles.
Key Skills
I can write the equation of a circle.
I can find arc and angle measures.
Turn-In (#80)
No Homework (if done with warm-up)
Handouts
Warm-Up: Arcs and Angles
Chapter 10- Lesson 7: Equations of Circles
Banchmark Test 1 Answers
Assignment
Benchmark 1 Test
Disclaimer- The assignment as stated in class is the official assignment. Every effort is made to keep this posting accurate, but you should refer to what was stated in class as the final word.
Permalink