Main content

### Course: High school geometry > Unit 3

Lesson 6: Theorems concerning quadrilateral properties- Proof: Opposite sides of a parallelogram
- Proof: Diagonals of a parallelogram
- Proof: Opposite angles of a parallelogram
- Proof: The diagonals of a kite are perpendicular
- Proof: Rhombus diagonals are perpendicular bisectors
- Proof: Rhombus area
- Prove parallelogram properties

© 2024 Khan AcademyTerms of usePrivacy PolicyCookie Notice