How to draw anti-aliased circle in OpenGL?

Draw the unit circle and plot the point P=(4,2). Observe there are TWO lines tangent to the circle passing through the point P. Answer the questions below with 3 decimal places of ...show more

there is no one in the world today who can draw a perfect circle, but there was one person in the past who could draw a perfect circle free hand - who was it?

I argue that if you've never seen a perfect circle, you still can know what one is. I know this because you could still tell when one circle more closely approximates a perfect circle than another one does. Therefore, this knowledge must not have come...

He said that we can't look at a unit circle on our test, because that means we don't really know it, and we need to know everything by memory at the snap of a finger, that it will make us understand everything better. But I don't know how to think of...

please specify how to draw horizontal lines inside a circle, like the chords of circle;

I heard that Da Vinci had to draw a freehanded perfect circle in order to paint the Cistene Chapel, but then I learned Michelangelo painted the Cistene chapel, but I still see everywhere that Da Vinci was the first artist that was able to freehand a...

I'm given an assignment to draw and explain the circle of fifths to some gr 7's. Here are some questions I'm have on it: 1. At the bottom of the circle of fifths, there is ...show more

We all know that we can find out the area of circle. But I am wondering whether it is possible to draw a circle when we know its area. This question is related to one of the most famous Math problem. (I will not tell what that problem is) I believe if...