Slide 1Geometry Chapter 9 Review Slide 2 Secant A line that contains a chord of a circle. SECANT.P.P Slide 3 Tangent A line in the plane of a circle that intersects the circle…

Slide 1 10.5 Inscribed Angles Slide 2 An inscribed angle is an angle whose vertex is on a circle and whose sides are determined by two chords. Intercepted arc: the arc that…

Slide 1 Warm-up In the diagram, chords AB and CD are parallel. Prove that AC is congruent to BD. Theorem: In a circle, parallel chords intercept congruent arcs. Slide 2 Theorem:…

Slide 1 10.4: Angles formed by Secants and Tangents Obj: ______________________ __________________________ Slide 2 Vertex is ON the circle 1) 2) Slide 3 Vertex is INSIDE…

Slide 1 Warm Up Section 4.5 Find x: 1. 2. 3. 4. 5. 6. xoxo xoxo 70 o 32 o xoxo xoxo 100 o x 12 xoxo 45 o Slide 2 Answers to Warm Up Section 4.5 Find x: 1. 2. 3. 4. 5. 6.…

Slide 1 Angles Related to a Circle Lesson 10.5 Slide 2 Angles with Vertices on a Circle Inscribed Angle: an angle whose vertex is on a circle and whose sides are determined…

Arcs of a Circle Arc: Consists of two points on a circle and all points needed to connect the points by a single path. The center of an arc is the center of the circle of…

10.5 – Apply Other Angle Relationships in Circles If a __________ and a ________ intersect at a point _____ a circle, then the measure of each angle formed is _______ the…

5-Minute Check 10.5 Other Angle Relationships in Circles February 26, 2013 10.5 Objective(s) Students will determine measures of angles inside or outside a circle. Why? So…

4.1 7.7 What More Can I Learn About Circles? Pg. 24 Angles Inside and Outside Circles 7.7 â What More Can I Learn About Circles? Inside and Outside Circles So far you have…