Circles and Arcs

Circles and arcs are fundamental objects in Euclidean geometry. In classical geometric constructions, a compass is used to construct these objects. In Sketchpad, you use a Compass Tool.

Subtopics:
Constructing Circles
Constructing Arcs
Using Circles and Arcs
Measuring Circles and Arcs

See also
Compass Tool
Circle By Center+Point
Circle By Center+Radius
Arc Through 3 Points
Arc On Circle
Point On Object
Interior
Split/Merge
Intersection
Define Unit Circle (Define Coordinate System)
Circumference
Radius
Area
Equation
Arc Length
Arc Angle