Question

Given the Triangle ABC and the point M inside the triangle (M don't belong on any sides of triangle).let I be the intersection point of the line BM and the side AC

a, compare MA to MI+MB,then prove that MA +MB<IB+IA

b, compare IB to IC+CB, then prove that IB+IA<CA+CB

c, Demonstrate the inequality MA+MB<CA+CB

Answer 1

Môn j mà hay zâỵ sao dịch dc lên gogle dịch à