An isosceles triangle has sides A, B, and C with sides B and C being equal in length. If side A goes from #(7 ,4 )# to #(2 ,1 )# and the triangle's area is #18 #, what are the possible coordinates of the triangle's third corner?
Calculate the middle point of side A
Get the direction of A
The direction of A axis:
The equation of A axis:
The triangle area can be calculated: