Prove that the points `(2a, 4a), (2a, 6a) and (2a+sqrt3a , 5a)` are the vertices of an equilaterall triangle whose side is 2a

Prove that the points (2a, 4a), (2a, 6a) and (2a+ sqrt(3) a, 5a) are the vertices of an equilateral triangle.

Prove that the points A(2, 4), B(2, 6) and C(2 + sqrt(3) , 5) are the vertices of an equilateral triangle.

Prove that (2a, 4a), (2a, 6a), and (2a + sqrt(3a) , 5a) are the vertices of an equilateral triangle.

Show that the points (2a, 6a) (2a,4a) and (2a + sqrt3 a, 5a) are the vertices of an equilateral triangle of side 2a units.

Show that the points (2,4),(2,6) and (2+sqrt 3,5) are the vertices of an equilateral triangle.

Show that the points A(1,2), B(1,6) and C(1+ 2 sqrt 3 ,4) are the vertices of an equilateral triangle.

Prove that the points (2,2) (-2,-2) and (-2sqrt3, 2sqrt3) are the vertices of an equllateral triangle.

Show that the points A(1, 1), B(-1, -1) and C(-sqrt3, sqrt3) are the vertices of an equilateral triangle each of whose sides is 2sqrt2 units.

The points (2, 4), (2, 6), (2+ sqrt(3),5) are the vertices of

Show that the points A(1,2),B(1,6), C(1 + 2sqrt(3),4) are the vertices of an equilateral triangle .