Question

(1,-1) , ( 0,4) and (5,-3) are vertices of a triangle.Check whether it is a scalene triangle, isosceles triangle or an equilateral triangle. Also , find the length of its median joining the vertex (1,-1) to the midpoint of the opposite side.

Answer 1

hey...
given,
A=(1,-1)
B=(0,4)
C=(5,-3)
use image.
l(AB≠BC≠CA)
hence the triangle is scalene tri.

Answer 2

isosceles triangle, AM=√130/2