Transformations in OpenGL

glBegin(GL_TRIANGLES)
glVertex2f(0.0, 0.0)
glVertex2f(0.5, 0.0)
glVertex2f(0.25, 0.5)
glEnd()

glTranslatef(0.5, -0.2, 0.0)
glBegin(GL_TRIANGLES)
glVertex2f(0.0, 0.0)
glVertex2f(0.5, 0.0)
glVertex2f(0.25, 0.5)
glEnd()