PRESENTATION OUTLINE
Geometry Circle Vocabulary
Anna Strickland
A circle is a set of all points in a plane that are the same distance from a given point called the center.
A semi circle is a circle cut directly in half.
The circumference is the distance around the circle. Formulas to find this are c=2*pi*radius or c=pi*diameter.
The area of a circle is a formula in which you times Pi by the radius squared to get the amount of square units inside the circle.
Diameter is the distance across a circle through its center.
Radius is the distance from the center of a circle to any point on the circle.
A chord is a line that does not go through the center of the circle.
The center of a circle is a point in which all points on the circle are the same distance.
Pi is the ratio of the circumference of a circle to it's diameter. Pi is an everlasting number that never ends. Pi= 3.1415926545897323846264338327950288419716939937582094794.....
A formula is an equation that shows the relationship among certain quantities.
