Illustration of line segment AB, which is made up of line segments AC and CB. C is considered the midpoint…

Illustrations of a circle with segment, semicircle, sector, quadrant, and central angles drawn.

Illustration used to show how to divide a line into any number of equal parts by construction.

Illustration used to show how to divide a given straight line into required number of equal parts.

Illustration used to show how to divide a given straight line into required number of equal parts.

Illustration of a horizontal line segment. A line segment is a section of a line with definite endpoints.

Illustration of a horizontal line segment. A line segment is a section of a line with definite endpoints.

Illustration of a horizontal line segment. A line segment is a section of a line with definite endpoints.…

An illustration of a straight line with 5 points dividing it into 4 equal parts. Multiple of a given…

Illustration of two parallel lines with equal segments between them. Two parallel lines are everywhere…

CD is the projection of AB upon OX. In each case AE=CD and AE=ABcos theta.

Illustrations of a segment, a ray, and a line that can be used when providing definitions.

Illustration of a slanted line segment. A line segment is a section of a line with definite endpoints.

Illustration of a slanted line segment. A line segment is a section of a line with definite endpoints.

Illustration of a slanted line segment. A line segment is a section of a line with definite endpoints.…

Illustration of a slanted line segment. A line segment is a section of a line with definite endpoints.…

An 8-inch sphere cut by parallel planes, one 2 inches from center and the other 6 inches from center.…

An illustration of a zone of a sphere. A zone occurs when a sphere is cut by parallel planes that are…

Diagram used to prove the theorem: "The volume of a spherical segment is equal to the sum of two cylinders…

Illustration used to show the various parts of a triangle: sides, angles, medians, altitudes, bisectors,…

Illustration of a triangle with interior segments and angles labeled.

Illustration of a triangle with interior segments and angles labeled.

OP is a vector (directed quantity) showing the force by a weight acting on it at an angle of 20 degrees.

Illustration of a vertical line segment. A line segment is a section of a line with definite endpoints.

Illustration of a vertical line segment. A line segment is a section of a line with definite endpoints.…