Vector Theorem 14: Median to the base of an isosceles triangle is perpendicular to the base.

Vector Theorem 14: Prove vetorically that the median to the base of an isosceles triangle is perpendicular to the base. 13. Prove that diagonals of rectangle are equal to each other: https://youtu.be/4CiV2nAl86Q

---~~~--- 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=XZSyJB4TDj4