Use constructions to copy a segment or an angle, bisect a segment, bisect an angle.
Construct perpendicular lines (including perpendicular bisector), a line parallel to a given line through a point not on the line, and inscribed equilateral triangle, square, and hexagon. (Exampe questions: What is the first step? Given marks, what is being constructed?)
Construct the incenter (angle bisectors) and circumcenter (perpendicular bisectors) of a triangle.
Use properties of circles, including central angles, inscribed angles, two tangents, etc.
Given four points, determine if they would form a square, rhombus, or parallelogram.
Use distance formula to calculate perimeters are areas.
Find the area of a sector of a circle.
Write the equation of a circle given center and radius.