- Opposite sides and angles
- Sides, angles and diagonals with algebra
- Which marks are enough
- Find x to make a parallelogram
- Proving the converse
- What each one adds
- Measures in rectangles and rhombuses
- Name it and find its area
- Angles in trapezoids
- The trapezoid midsegment
- Kites
- Unlocks after
- Opens up