'Circle o' presentation slideshows

PART 8 Circle Theorems

PART 8 Circle Theorems. Circle Theorems. Lesson Objectives - Students will: Apply your knowledge of circle properties to solving problems. Identify and apply circle theorems. S5 Circles. Contents. A. S5.2 Angles in a circle. A. S5.1 Naming circle parts. S5.3 Tangents and chords. A.

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Chapter 10

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11.1: Tangent lines

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Bellwork

Bellwork. Pg 580 1-15 all. 11.1 Tangent Lines. Chapter 11 Circles. Tangent to a circle: a line that touches the circle at one point Point of tangency: the point where the line and circle touch. Theorem 11-1: If a line is tangent to a circle, then it is perpendicular to the radius. M. L.

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Tangents

Tangents. 9.6a. WY is tangent to circle C. Point A is called the point of tangency. AC is perpendicular to WY. Y. W. If PT is tangent to circle O, and PT = 13, OP = 6, find OT. If two segments from the same exterior point are tangent to a circle, then they are congruent.

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Tangents

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Sect. 12-3 Properties of Chords and Arcs

Sect. 12-3 Properties of Chords and Arcs. Geometry Honors. What and Why. What? Find the lengths of chords and measures of arcs of a circle. Locate the center of a circle using chords. Why? To find the radius of a circle in real-life situations such as archaeology. Congruent Arcs and Chords.

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Circumference and Arc Lengths

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Honors Section 9-2

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Lesson 3-5: Proofs

Lesson 3-5: Proofs. State the property, postulate, definition, or theorem that justifies each conclusion. #1 If 2 x + 7 = 4 x - 5, then #2 If x = 1 and 2 x + ? y = 3 Conclusions Justifications Conclusions Justifications

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