LESSON 1: GEOMETRY VOCABULARY

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Presentation transcript:

LESSON 1: GEOMETRY VOCABULARY Geometry - branch of mathematics that deals with points, lines, planes and solids and examines their properties. Basic terms and symbols Types of Angles Triangle

Basic terms and symbols Point – has no size; length, width, or height. Line – set of points which has infinite length but no width or height. Segment – part of a line that consists of two points called endpoints and all points between them. Ray- is the part of a line that contains an endpoint and all points extending in the other direction .http://quizlet.com/6352834/flashcards Collinear points – points that lie on the same line. Similar Congruent Equal Concurrent

Angles(Definitions) Obtuse angle An angle whose measure is greater than 90° and less than 180°

Triangle

Triangle

Triangle http://quizlet.com/1651867/triangle-vocabulary-flash-cards/ http://quizlet.com/19561835/geometry-vocabularydefinitions-flash-cards/

Homeworks

What is the name of the line passing through the orthocenter, circumcenter, and centroid of the triangle? EULER ‘s LINE