Midpoints of a quadrilateral
Midpoints of a quadrilateral:
By moving the corners of a quadrilateral, even producing a self-intersecting shape, the shape generated by connecting the midpoints of each line is always a parallelogram. Can you see why? This can be proved using similar triangles or vectors, among other ways.
Nuevos recursos
Descubrir recursos
- A line by two points
- Equal arcs on circles of equal radii subtend equal angles at the centre, and conversely, equal angles at the centre subtend equal arcs on circles of equal radii.
- Linear view of complex number addition
- Untitled
- Interior Angles on the same side of Transversal
- The conservation of momentum when objects are connected