'Perpendicular bisectors' diaporamas de présentation

Lesson 6.2 Properties of Chords

Objective : Discover properties of chords of a circle. Lesson 6.2 Properties of Chords. Homework: Lesson 6.2/1-12. What is a chord? A chord is a segment with endpoints on a circle. Any chord divides the circle into two arcs. A diameter divides a circle into two semicircles.

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Example Traditional/Open-Ended Questions

Example Traditional/Open-Ended Questions. Completed by teachers on 3/11/11. Traditional. x. 5. y. 3. 12. 17. Find the value of x and y. Open-Ended. The triangles are similar And have a scale factor Of 7. The shortest side is Less than 5. Give Possible lengths for all

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5.3 Medians and Altitudes of a Triangle

5.3 Medians and Altitudes of a Triangle. Geometry Mrs. Spitz Fall 2004. Objectives:. Use properties of medians of a triangle Use properties of altitudes of a triangle. Assignment. pp. 282-283 #1-11, 17-20, 24-26. Using Medians of a Triangle.

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11-7

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DO NOW

DO NOW. Take out a protractor Take out your compass Put your 2.6 Worksheet on your desk ready to be stamped. In the picture to the left, solve for x. Then find the angle measures. Announcements. Test next Wednesday over angle relationships and constructions.

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Wayward wednesday

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5.4 Midsegment Theorem

5.4 Midsegment Theorem. Geometry Mrs. Spitz Fall 2004. Objectives:. Identify the midsegments of a triangle. Use properties of midsegments of a triangle. Assignment. Pgs. 290-291 #1-18, 21-22, 26-29. Using Midsegments of a Triangle.

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5.4 Midsegment Theorem

5.4 Midsegment Theorem. Geometry Mrs. Spitz Fall 2004. Objectives:. Identify the midsegments of a triangle. Use properties of midsegments of a triangle. Assignment. Pgs. 290-291 #1-18, 21-22, 26-29. Using Midsegments of a Triangle.

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5.4 Midsegment Theorem

5.4 Midsegment Theorem. Geometry Mrs. Spitz Fall 2004. Objectives:. Identify the midsegments of a triangle. Use properties of midsegments of a triangle. Assignment. Pgs. 290-291 #1-18, 21-22, 26-29. Using Midsegments of a Triangle.

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Warm-Up : EOC Prep

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Segments in triangles

Segments in triangles. Triangle Geometry. Special Segments of a triangle: Median. Definition:. A segment from the vertex of the triangle to the midpoint of the opposite side. . Since there are three vertices in every triangle, there are always three medians . B. C. F. D. E. A.

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Properties of a Triangle

Properties of a Triangle. P. A. Q. B. C. R. m ?ABC + m ?BCA + m ?CAB = 180 0 (Internal angles of any triangle add up to 1 80 0 ) m?PAB + m?QBA + m?ACR = 360 0 (Exterior angles of any triangle add up to 36 0 0 ). Properties of a Triangle ( Contd ). 60 0. a. a. 60 0. 60 0.

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5.3 Concurrent Lines, Medians, and Altitudes

5.3 Concurrent Lines, Medians, and Altitudes. Chapter 5 Relationships Within Triangles. 5.3 Concurrent Lines, Medians, and Altitudes. Concurrent: When three or more lines intersect in one point Point of concurrency: The point where three or more lines intersect.

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5.7 Proving That Figures Are Special Quadrilaterals

5.7 Proving That Figures Are Special Quadrilaterals. Objective: After studying this section, you will be able to prove that a quadrilateral is: A rectangle A kite A rhombus A square An isosceles triangle. Proving that a quadrilateral is a rectangle . E. H. F. G.

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Problem 3 on Homework 2

Problem 3 on Homework 2.

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Points of Concurrency

Points of Concurrency. By: Isaac Fernando and Kevin Chung. Aim: Points of Concurrency. Do Now: what is a point of concurrency?. Centroid. Formed by the medians of a triangle

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Section 6.6 Concurrence of Lines

Section 6.6 Concurrence of Lines. A number of lines are concurrent if they have exactly one point in common. m, n and p are concurrent. ?A. m. n. p. Concurrent lines in Triangles. Theorem 6.6.1: The three angle bisectors of the angles of a triangle are concurrent.

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5.2 Bisectors of Triangles

5.2 Bisectors of Triangles. Use the properties of perpendicular bisectors of a triangle Use the properties of angle bisectors of a triangle. A perpendicular bisector of a triangle is a line (or ray or segment) that is perpendicular to the side of a triangle at the midpoint of the side

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