When you want to draw a round circle accurately, you need to use a tool such as a compass, and drawing it freehand in one shot is extremely difficult. ' Draw a Perfect Circle ' is a service that ...

Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. There are two types: Riddler Express for those of you who want ...

If your circles always end up looking like a deformed eggplant and you don't have a compass nearby, here's a simple trick to drawing a perfect circle with just a pencil and your finger. Whether you're ...

STEP 2 - BISECT DIAMETER: Set your compass to the diameter of the circle. Put the compass spike at the bottom of the circle and draw an arc that touches the top of the circle and extends more than ...