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Mathematics

Of or pertaining to the study of the measurement, properties, and relationships of quantities and sets, using numbers and symbols.

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Mathematics > Geometry

measure of a major arc

Mathematics; Geometry

The length of an major arc. A major arc is an arc of a circle having measure greater than or equal to 180 degree.

perpendicular line and plane

Mathematics; Geometry

A line and a plane are perpendicular if and only if they intersect and the line is perpendicular to all lines in the plane that pass through the point of intersection.

point of tangency

Mathematics; Geometry

See tangent to a circle.

quadrant

Mathematics; Geometry

Any one of the four regions into which the plane is divided by the coordinate axes.

radius of a circle

Mathematics; Geometry

The radius of a circle is the distance from the center of a circle to any point on the circle.

radius of a regular polygon

Mathematics; Geometry

The distance from the center to a vertex.

radius of a right cylinder

Mathematics; Geometry

The radius of the circle making up the cylinder's outer surface.