[" 18.check the points "(-4,0)(4,0)(0,3)" are the vertices of an isoceles triangle or "],[" equilateral triangle."]

The points A(-4, 0), B(4, 0) and C(0, 3) are the vertices of a triangle, which is

Show that the points (-4,-4,-1),(0,2,3) and (4,6,-3) are the vertices of an isosceles triangle.

Check whether (5, -2), (6, 4) and (7, 2) aare the vertices of as isoceles triangle.

Show that the points (-4,-4,-1),(0,2,3) and (4,6,-3) are the vertices of an isosceles right angled triangle.

Prove that the points (0,0) (3, sqrt(3)) and (3, -sqrt(3)) are the vertices of an equilateral triangle.

The points ( - 3 , 0) , ( 0 , 5) and (3 , 0) are the vertices of a .....triangle .

Prove that the points (-3,\ 0),\ (1,\ -3) and (4,\ 1) are the vertices of an isosceles right-angled triangle. Find the area of this triangle.

Prove that the points (0, 0), (3, (pi)/(2)) and (3, (pi)/(6)) are the vertices of an equilateral triangle.

Prove that the points (0, 0), (3, (pi)/(2)) and (3, (pi)/(6)) are the vertices of an equilateral triangle.