Rigor : Apply properties of angles, arcs and chords in a circle. Relevance: Archeology, Statistics, Anything circular

Turn in your workbook to page 499 Read and highlight the definitions and theorems on pages 499 – 500 Complete Reflection questions 1a and 1b Minor arcs are be named by the two points. Major arcs and semicircles must be named by three points.

Example 1 The circle graph shows the types of grass planted in the yards of one neighborhood. Find mKLF.

Example 2   B) Find mLJN

Arc and Chord Theorems In a circle or congruent circles, 2 central angles are congruent if and only if their chords are congruent and their intercepted arcs are congruent.  If a radius (or diameter) is perpendicular to a chord, then it bisects the chord and the chord’s intercepted arc.  

Example 3 TV  WS. Find mWS.

Example 4 PT bisects RPS. Find RT.

Example 5 Calculate NP.

Primary Assignment: join.quizizz.com Codes: Period 1 – Period 5 – 12-2 Assignments Honors Primary Assignment: join.quizizz.com Codes: Period 1 – Period 5 – Period 6 – Secondary Assignment: Workbook pg 501 ALL Textbook pg 806 – 808 #16 – 18, 30, 38, 39

12-2 Assignments Standard Primary Assignment: join.quizizz.com Codes: Period 2 – Period 4 – Period 7 – Secondary Assignment: Workbook pg 501 ALL Textbook pg 806 – 808 #16 – 18, 30, 38, 39