The opposite angles of a parallelogram are equal.

The opposite angles of a parallelogram are equal.

Mathematical Theorem Quadrilateral having opposite sides equal is a parallelogram: https://youtu.be/neEIGpJ0dSo

---~~~--- Please watch: "If 𝒙^𝒂.𝒙^𝒃=(𝒙^𝒂 )^𝒃, show that 𝒂/𝒃+𝒃/𝒂=𝒂𝒃−𝟐." https://www.youtube.com/watch?v=rZcUcisuYSc ---~~~--- Follow us: Facebook: https://facebook.com/mathswitharjun Twitter: https://twitter.com/twitajr ... https://www.youtube.com/watch?v=8w1PHuhWSMs