Class time started with a warm-up on the board (not attached, sorry). It had two practice problems for finding angles and chord lengths when two chords of a circle intersect. It also included some problems that lead to the discovery of radian measure: radian is an angle measure unit defined as arc length divided by radius of a circle. You can think of it as arc length on a unit circle. We worked together to put all of the important radian measures on the unit circle and then practiced finding radian, degrees, and coordinates for a point on the unit circle.
In some classes, grades were taken (all but 0B?).
We went over HW #8 & #9 carefully, showing how to find arc length with proportions or find radius if you know arc length and arc measure. (Some classes had already corrected HW #8 on the last block.)
HW #10 was assigned; it is attached below on the study guide for the test. It has problems from several pages in the book.
On p 492-3, we looked at partial area and pythagorean theorem in circles. We did partial area of circles in the previous unit, but now wanted to add some new circle conjectures to the mix. Problems 1-2 on p 493 are on the unit review.
A-day classes have a sub on Wednesday so will not test until Friday. B-day will still test Thursday.