Triangles
Polygons
Geometry Basics
Circles
3D Figures
100

The ratio that relates the opposite side and hypotenuse of a right triangle

Sine

100

A quadrilateral with four congruent sides

Rhombus

100

Two angles that are both supplementary and adjacent

Linear pair

100
The distance from the center of a circle to the edge

Radius

100

A rectangular prism where all the faces are squares

Cube

200

The ratio that relates the opposite side and adjacent side of a right triangle

Tangent

200

An eight sided polygon

Octagon

200

A point equidistant from two other points

Midpoint

200

An arc that measures exactly 180 degrees

Semicircle

200

Any 3D solid with congruent and parallel bases

Prism

300

A triangle with two congruent sides

Isosceles

300

The parallel sides of a trapezoid

Bases

300

The point (0,0) on a coordinate plane

Origin

300

An arc that measures less than 180 degrees

Minor arc

300

Any 3D solid with one base and a vertex opposite the base

Pyramid

400

A triangle with no congruent sides

Scalene

400

The most common name for a 4 sided regular polygon

Square

400

Lines that are neither parallel nor intersecting

Skew

400

Any angle with its vertex on the circle

Inscribed angle

400

In a formula for surface area, its what "p" refers to

Perimeter of the base

500
The center of a triangle where angle bisectors intersect

Incenter

500

Any shape with all sides congruent and all angles congruent

Regular polygon

500

The type of symmetry where an object rotated 180 degrees looks the same as the original

Point

500

The equation that relates arcs to an angle with its vertex outside the circle

2*angle = outer arc - inner arc

500

The distance from the vertex of a cone or pyramid to the edge of the base

Slant height

M
e
n
u