Answer:
In a two-dimensional coordinate system, a horizontal axis is known as the x-axis and the vertical axis is known as the y-axis.
Answers:
Only 3 placements are clear in the attached image.
Circle: The first placement or the left hand side placement. The center of the circle passes through axis.
Equilateral Triangle: The third or the right hand side placement.
Isosceles Triangle: The second or the middle placement is the right one.
