Finding an object's center of mass.
How to use the distance formula to derive the equation for a circle.
How to define a chord; how to describe the effect of a perpendicular bisector of a chord and the distance from the center of the circle.
How to derive the equation for a circle using the distance formula.
How to write the parametric equations of a circle centered at (0,0) with radius r, oriented counter-clockwise.
How to define the apothem and center of a polygon; how to divide a regular polygon into congruent triangles.
How to define a circle and identify its main parts.
How to derive the formula to calculate the area of a circle.
How to find the length of tangent segments drawn to a circle from the same point.
How to find the inverse of a function algebraically
How to calculate the area between a square and an inscribed circle.
How to define a circle and a sphere using the word locus.
How to define circumscribed and inscribed circles and polygons relative to each other.
How to describe the unit circle. How to draw the unit circle and label its parts. How to strategize about finding coordinates on the unit circle.
How to beat your teacher at circle tac tac toe.
Vocabulary and formulas for the area of a circle