In this educational moment, students can learn with the help of two animated demonstrations that the sum of the angles in any convex quadrilateral is equal to 360°.
In three suggestive animations, students can observe perpendicular lines with examples from everyday life. They can also learn how to construct perpendicular lines with math tools.
In three suggestive animations, students can observe parallel lines with examples from everyday life. They can also learn how to construct parallel lines with math tools.