Dividers and compasses are drawing instruments that have been used since antiquity to measure distances, transfer lengths from one drawing to another, and draw circles. The Greek mathematician, Euclid ...

There is an enormous 18th-century compass a drawing instrument familiar to high school geometry students (though this one seems designed for a standing adult rather than a sitting child).

Think of these constructions as diagrams with desired geometric properties created solely with a writing utensil and two tools. Given two points, a drawing compass (not to be confused with the ...

place your compass at the other end of the line and draw another arc - crossing the first arc in two places. Follow the instructions and draw the perpendicular from a point to a line construction.

Draw four lines parallel to each side of the rectangle, 2 cm away. Use a compass to draw rounded corners at D, E, F and G. The straight line of the locus is parallel to the edges of the rectangle ...