John Rhodes, Math Teacher at Senioritis.io

Radius A straight line from the center to the circumference of a circle or sphere. Radius is a measurement of a distance from the center of a...

Diameter A straight line passing from side to side through the center of a circle or sphere. The diameter is a term used in geometry to refer...

Central Angle an angle whose vertex is the center of the circle A central angle is an angle whose vertex is at the center of a circle...

Arc Part of a circle connecting two points on the circle. An arc is a segment of a curve that is formed by a portion of a...

Minor Arc An arc of a circle whose measure is less than 180 degrees. A minor arc is a part of a circle that measures less than...

Major Arc An arc of a circle whose measure is greater than 180 degrees. The Major Arcana is the name for the 22 cards in a tarot...

Semicircle an arc with endpoints that are the endpoints of a diameter A semicircle is a two-dimensional shape that is a part of a circle. It is...

Points of Inflection If (c, f(c)) is a point of inflection of the graph of f, then either f(c)=0 or f is undefined at c Points of...