'Same exterior point' presentation slideshows

Circles

Circles. Chapter 10. 10.1 Tangents to Circles. Circle : the set of all points in a plane that are equidistant from a given point. Center : the given point. Radius : a segment whose endpoints are the center of the circle and a point on the circle. Vocabulary.

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Circles

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10.1 Tangents to Circles

10.1 Tangents to Circles. Geometry Mrs. Spitz Spring 2005. Objectives/Assignment. Identify segments and lines related to circles. Use properties of a tangent to a circle. Assignment: Chapter 10 Definitions Chapter 10 Postulates/Theorems pp. 599-601 #5-48 all. Some definitions you need.

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10.1 Tangents to Circles

10.1 Tangents to Circles. Geometry Mrs. Spitz Spring 2005. Objectives/Assignment. Identify segments and lines related to circles. Use properties of a tangent to a circle. Assignment: Chapter 10 Definitions Chapter 10 Postulates/Theorems pp. 599-601 #5-48 all. Some definitions you need.

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1.

1. 2. 3. 4. 5. Tangents. Sec: 12.1 Sol: G.11a,b. A line is ______________________ to a circle if it intersects the circle in exactly one point. This point is called the point of _______________________________. Consider the following diagram:. Example:.

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Inscribed Angles Tangents

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Chapter 10

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Tangents to Circles

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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

Tangents. A line is tangent to a circle if it intersects the circle in exactly one point. This point is called the point of tangency. Consider the following diagram:. Theorem 10.9:. If a line is tangent to a circle, then it is perpendicular to the radius drawn to the point of tangency.

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1. Prove that two parallel secants intercept equal arcs on a circle.

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Tangents to Circles

Tangents to Circles. Lengths of the lines. More Pythagorean Theorem type problems! Yeah!! ?. Point of Tangency. If a line (segment or ray) is tangent to a circle, then it is perpendicular to the radius drawn to the point of tangency. 1. Find x. A. 12. B. 9. x. a 2 + b 2 = c 2.

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Tangent Applications in Circles

Tangent Applications in Circles. More Problems Using Pythagorean Theorem. Point of Tangency. If a line (segment or ray) is tangent to a circle, then it is perpendicular to the radius drawn to the point of tangency. 1. Find x. A. 12. B. 9. a 2 + b 2 = c 2. x. 9 2 + 12 2 = x 2.

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Geometry Honors Section 9.2 Tangents to Circles

Geometry Honors Section 9.2 Tangents to Circles. A line in the plane of a circle may or may not intersect the circle. There are 3 possibilities . A * secant to a circle is a line which intersects the circle in two points.

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10-5 Tangents N#____ 4/16/2014

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Lesson 8-3

Tangents. Lesson 8-3. A. C. 4. B. B. 3. A. D. C. THEOREM #1:. If a line is tangent to a circle, then it is perpendicular to the radius drawn to the point of tangency. Example:. Find the value of . C. B. A. A. 1.8. cm. F. B. 7.0. cm. C. D. 2.4. cm. E. THEOREM #2:.

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