You have 3 points on a plane such that they are not collinear (lie on a single straight). How are you going to accurately draw a circle that passes all 3 points with only ruler and compass?
3 Points. 1 Circle.
Inventum. Scientia. Intellectus.
A Child's view of the World 
Heyyyyyy you kno a compass and da ruler? Cos da ruler is straaaaaight like my hand tho. HHahaa CHilld view more like GUIDE view amirite Haaahaaa
This site is meant to be a thought provoking site, I dont think you belong here.