TAB 1 TAB 1 TAB 1 TAB 1 Geometry/Trig Name: __________________________

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TAB 1 TAB 1 TAB 1 TAB 1 Geometry/Trig Name: __________________________ Unit 8 GSP Circles Lab Date: ___________________________ Circles Day 1 - Section 9.2 Section 9.2: Theorem 9-1 TAB 1 Sketch the diagram: Fill in the Measurements mQMA TAB 1 Conclusion (Theorem 9-1): If a line is tangent to a circle, then the line is _________________________ to the radius at the point of tangency. Example 1: B is a point of tangency of Circle Q. Example 2: JT is tangent to Circle O at point T. J T O 9 8 K TAB 1 What type of triangle is QBC? If QB = 6 and QA = 9, find AB. JT = _______ OT = _______ (d) mKOT = ________ TAB 1

TAB 2 TAB 2 TAB 2 TAB 2 DON’T FORGET TO TAKE QUIA QUIZ CIRCLES DAY 1!! Geometry/Trig Unit 8 GSP Circles Lab Circles Day 1 - Section 9.2 – Page 2 Section 9.2 Corollary TAB 2 Sketch the diagram: Fill in the Measurements: BA BC TAB 2 Conclusion (Corollary): Segments that are tangent to a circle from a point are ___________________. Example 1: B B and C are points of tangency. A What type of triangle is DBAC? _______________________ mÐBAC = 32 mÐABC = ________ mÐBCA = ________ C TAB 2 Example 2: A C B 4x + 2 ½x + 9 B and C are points of tangency. x = __________ BA = _________ CA = _________ TAB 2 DON’T FORGET TO TAKE QUIA QUIZ CIRCLES DAY 1!!