Triângulo no Plano Cartesiano

Topic:Area, Arithmetic, Arithmetic Operations, Coordinates, Equilateral Triangles, General Quadrilateral, Geometry, Isosceles Triangles, Mathematics, Perimeter, Plane Figures or Shapes, Planes, Polygons, Pythagoras or Pythagorean Theorem, Rational Numbers, Rectangle, Right Triangles, Scalene Triangles, Subtraction, Triangles