Select the cone(s) that are similar to a cone with a height of 9 meters and a radius of 3 meters.
1 cone with a height of 15 meters and a radius of 6 meters
2 cone with a height of 12 meters and a radius of 4 meters
3 cone with a height of 6 meters and a radius of 3 meters
4 cone with a height of 3 meters and a radius of 1 meter