Question

Describe the process to construct an equilateral triangle with vertices PQR using only a compass and straightedge.

Answer 1

First draw a straight line equal to the length of one of your triangle's sides.
Open up your compasses to a radius equal to that line's length.
Place the point on the end of the line and draw a wide arc.
Repeat on the other end of the line so that the arcs intersect.
Where they intersect is the third point of your triangle!

Answer 2

Thank you Cheese3.1416

Answer 3

Thank You NewbieCarrot