Ms. Vazquez-Perez Geometry

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Presentation transcript:

Ms. Vazquez-Perez Geometry 1.1 ID Points, Lines, Planes Ms. Vazquez-Perez Geometry

G.CO.1 Essential Question: How do I name that figure? Objective: Students will be able to name and sketch geometric figures.

Lines Lines are named by picking two points on the lines. Lines can also be called by its designated cursive letter. AB or l to designate a line, the symbol above the name MUST have arrows

Line segments Lines segments are named by its endpoints. AB , AC , AD , BC, BD, CD to designate a line segment, the symbol above the name WILL NOT have arrows

Ray Rays are named using two points on the ray; *the first point in the name must be the endpoint. RA or RB the picture cannot be named ray AB because A is not an endpoint

Planes Planes are named by three points on the plane; planes can also be named by its designated cursive letter. Plane RST or Plane V

Coplanar and collinear points Collinear points: points on the same line. Coplanar points: points on the same plane.

name lines, segments, rays and planes What points are non-coplanar? Lines: i, h, AB, AC, CD, FK Segments: AC, AB, BC, CD, FK Rays: CD, DC, CA, CB, BC, BA, AC, AB, FK, KF Planes: J, ACG, ABG, ABD, ACB, AKG...