Rigor and Relevance Find the lengths of segments formed by lines that intersect circles. Use the lengths of segments in circles to solve horizon and archaeology problems.

Complete example 2 from workbook on page 524 This theorem is in your workbook on page 523 for those who want to highlight it instead of write it down! Complete example 2 from workbook on page 524

Example 1: Find the value of x and the length of each chord. J

Example 2: Archaeologist discovered the fragment of an ancient disk. To calculate the original diameter, they drew in a chord and its perpendicular bisector. What is the length of the diameter? 6 in.

Example 3: Find the value of x, GE, and DE.

DE  DF = DG2 7(7 + y) = 102 49 + 7y = 100 7y = 51 Example 4 Find the value of y. DE  DF = DG2 7(7 + y) = 102 49 + 7y = 100 7y = 51

12 – 6 Classwork (not graded) Textbook pg 843 – 844 # 3 – 5, 8 – 10

12-1 & 12 – 6 Honors Assignments Primary assignment: join.quizizz.com Codes: Period 1 – 574209 (Due Thurs) Period 5 – 347157 (Due Thurs) Period 6 – 181354 (Due Fri) Secondary Assignment: Textbook pg 797 – 799 # 5 – 9, 27 Textbook pg 844 #12 – 21

12-1 & 12 – 6 Standard Assignments Primary assignment: join.quizizz.com Codes: Period 2 – 017415 (Due Fri) Period 4 – 166574 (Due Fri) Period 7 – 331237 (Due Fri) Secondary Assignment: Textbook pg 797 – 799 # 5 – 9, 27 Textbook pg 844 #12 – 21