Show That the Points Form the Vertices of the Indicated $\sqrt { 19 } , \sqrt { 13 } , \sqrt { 50 }$

Multiple Choice

Show that the points form the vertices of the indicated polygon.
Isosceles triangle: (7, 1) , (5, 4) , (2, 6)

A) Distances between the points: $\sqrt { 19 } , \sqrt { 13 } , \sqrt { 50 }$
B) Distances between the points: $\sqrt { 13 } , \sqrt { 13 } , \sqrt { 50 }$
C) Distances between the points: $\sqrt { 43 } , \sqrt { 13 } , \sqrt { 50 }$
D) Distances between the points: $\sqrt { 26 } , \sqrt { 13 } , \sqrt { 50 }$
E) Distances between the points: $\sqrt { 37 } , \sqrt { 13 } , \sqrt { 50 }$