TEKS:
4.6 Geometry and measurement. The student applies mathematical process standards to analyze geometric attributesin order to develop generalizations about their properties. The student is expected to:
4.6A identify points, lines, line segments, rays, angles, and perpendicular and parallel lines; S
4.6B identify and draw one or more lines of symmetry, if they exist, for a two-dimensional figure; S
4.6C apply knowledge of right angles to identify acute, right, and obtuse triangles; S
4.6D classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines or the presence or absence of angles of a specified size. R
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