Khan Academy Static

Topic A includes lessons 1-4. "Identify and draw points, lines, line segments, rays, and angles. Recognize them in various contexts and familiar figures. Use right angles to determine whether angles are equal to, greater than, or less than right angles. Draw right, obtuse, and acute angles. Identify, define, and draw perpendicular lines. Identify, define, and draw Parallel lines." EngageNY

8811_Drawing_parallel_line_segments.html

8807_Acute_right_obtuse_angles.html

8809_Parallel_perpendicular_lines_intro.html

8810_Parallel_perpendicular_lines.html

8806_Recognizing_angles.html

8803_Lines_line_segments_rays.html

8802_Terms_labels_in_geometry.html

8804_Angles_introduction.html

8808_Drawing_acute_right_and_obtuse_angles.html

8805_Naming_angles.html