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: $\sqrt { 37 } , \sqrt { 13 } , \sqrt { 50 }$