Triangles standing on the same base and between the same parallel lines are equal in area

Triangles standing on the same base and between the same parallel lines are equal in area Theorem is presented in nepali language. In english: https://youtu.be/qH_E3W7XiWA

---~~~--- 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 ---~~~--- ... https://www.youtube.com/watch?v=0L8q5TVU8u4