If `A(1, 1), B(sqrt(3)+1,2) and C(sqrt(3), sqrt(3)+2)` be three vertices of a square, then the diagonal through B is

If A(1,1),B(sqrt(3)+1,2) and C(sqrt(3),sqrt(3)+2) are three vertices of a square,then the diagonal through B is

If A(1,1), B(sqrt3+1,2) and C(sqrt3,sqrt3+2) are three vertices of a square, then the diagonal through B is

If the points A(1,1), B(-1,-1) and C(-sqrt(3),sqrt(3)) are the vertices of a triangle is

If the points A(1,1), B(-1,-1), C=(-sqrt(3), sqrt(3)) are the vertices of a triangle, then the triangle is

Prove that the points A(1, 1) , B(-1, -1) and C(sqrt(3), -sqrt(3)) are the vertices of an equilateral triangle.

Prove that the points O(0,0,0), A(2.0,0), B(1,sqrt3,0) and C(1,1/sqrt3,(2sqrt2)/sqrt3) are the vertices of a regular tetrahedron.,

26. Prove that the points O(0,0,0),A(2.0,0),B(1,sqrt(3),0) and C(1,(1)/(sqrt(3)),(2sqrt(2))/(sqrt(3))) are the vertices of a regular tetrahedron...

Prove that A(1, 1), B(-1,-1), C(-sqrt3,sqrt3) are the points of vertices of an equilateral triangle.

Prove that the point A (0,0,0),B(2,0,0), C(1,sqrt3,0) and D(1,1/sqrt3, (2sqrt2)/sqrt3) are the vertices of a regular tetrahedron.