'Whose endpoints' diaporamas de présentation

Let no one ignorant of geometry enter here.

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Section 10.1

Section 10.1 . Circles. 10.1 Notes. What is a CIRCLE? A CIRCLE is the set of all points in a plane equidistant from a given point. . 10.1 Notes. There are points ON , IN , and OUTSIDE the circle. The points in the circle make up the INTERIOR of the circle. . 10.1 Notes.

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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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Bellringer

Bellringer. Find the area and perimeter of the figure. 10m. 6m. Perpendicular Bisector. A Perpendicular bisector of a side of a triangle is a line, segment, or ray that passes through the midpoint of the side and is perpendicular to that side. Circumcenter Theorem. Angle Bisectors.

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6.1 Use Properties of Tangents

6.1 Use Properties of Tangents. Vocabulary. A circle is the set of all points in a plane that are equidistant from a given point called the center of the circle. A radius is a segment whose endpoints are the center and any point on the circle. . Vocabulary.

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A chord that goes through the center of a circle

A chord that goes through the center of a circle. diameter. A line that is tangent to more than one circle but does not cross between the circles. Common external tangent. A segment from the center of a circle to any point on the circle. radius.

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Chapter 10.1 Notes: Use Properties of Tangents

Chapter 10.1 Notes: Use Properties of Tangents. Goal: You will use properties of a tangent to a circle. . Properties of a Circle A circle is the set of all points in a plane that are equidistant from a given point called the center of the circle.

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The Distance and Midpoint Formulas

The Distance and Midpoint Formulas. p. 589. Geometry Review!. What is the difference between the symbols AB and AB?. Segment AB. The length of Segment AB. The Distance Formula. The Distance d between the points (x 1 ,y 1 ) and (x 2 ,y 2 ) is :. Find the distance between the two points. .

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Flashback 9-14-12

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12.6 Surface area and Volume of Spheres

12.6 Surface area and Volume of Spheres. Definitions . Sphere: is the locus pf points in space that are a given distance from a point. The center of the sphere is that point. Radius of a sphere: is a segment from the center to a point on the sphere.

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CIRCLES

CIRCLES. Topic 7.3. Definitions. Circle: The set of all points that are the same distance from the center Radius: a segment whose endpoints are the center and a point on the circle. Equation of a Circle. Writing the Equation of a Circle.

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Perimeter & Circumference

Perimeter & Circumference. Return to table of contents. Perimeter. Definition : The distance around a two-dimensional figure. l. w. w. l.

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Lesson 11.1 Parts of a Circle

Lesson 11.1 Parts of a Circle. Pages 589 - 590. Parts of a Circle. A chord is a segment whose endpoints are points on a circle. A diameter is a chord that passes through the center of the circle. A radius is a segment whose endpoints are the center of a circle and a point on the circle.

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Midsegments of Triangles and Trapezoids

Midsegments of Triangles and Trapezoids. Goals 1: Define midsegments of triangles and trapezoids. Goal 2: Develop and use formulas based on the properties of triangles and trapezoids.

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EXAMPLE 1

Tell whether the line, ray, or segment is best described as a radius, chord, diameter, secant, or tangent of C . AC. AC. a. a. is a radius because C is the center and A is a point on the circle. EXAMPLE 1. Identify special segments and lines. SOLUTION.

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5-3 Medians and Altitudes of a Triangle

5-3 Medians and Altitudes of a Triangle. Use the properties of Medians of a triangle Use the properties of Altitude of a triangle. Definitions. A median of a triangle is a segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side.

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Medians of a Triangle

Medians of a Triangle. Geometry (Holt 5-3) K.Santos. Median of a triangle. Median of a triangle is a segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side. Centroid of a triangle.

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7.4: Parallel Lines and Proportional Parts

7.4: Parallel Lines and Proportional Parts. p. 362-369. Th. 7-5 : Proving Parallel lines with overlapping triangles. If a line intersects 2 sides of a triangle and separates the sides into corresponding segments of proportional lengths, then the line is parallel to the 3 rd side. . D. 2.

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