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acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

Undefined term

point

line

plane

A term that cannot be defined by using the other figures, a bu…

Names a location and has no size; it is represented by a point…

a straight path that has no thickness and extends forever.... (p.…

a flat surface that has no thickness and extends forever.... (p. 6)

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

Undefined term

point

line

plane

A term that cannot be defined by using the other figures, a bu…

Names a location and has no size; it is represented by a point…

a straight path that has no thickness and extends forever.... (p.…

a flat surface that has no thickness and extends forever.... (p. 6)

sine

cosine

tangent

angle of elevation

the ratio of the length of the leg opposite the angle to the l…

the ratio of the length of the leg adjacent to the angle to th…

the ratio of the length of the leg opposite the angle to the l…

the angle formed by a horizontal line and a line of sight abov…

adjacent angle

acute angle

angle bisector

angle

Two angles that share a common vertex and side, but have no co…

An angle that has a measure greater than 0⁰ and less than 90⁰

A ray that divides an angle into two angles that are congruent

A set of points consisting of two different rays that... have the…

Undefined term

point

line

plane

A term that cannot be defined by using the other figures, a bu…

Names a location and has no size; it is represented by a point…

a straight path that has no thickness and extends forever.... (p.…

a flat surface that has no thickness and extends forever.... (p. 6)

Undefined term

point

line

plane

A term that cannot be defined by using the other figures, a bu…

Names a location and has no size; it is represented by a point…

a straight path that has no thickness and extends forever.... (p.…

a flat surface that has no thickness and extends forever.... (p. 6)

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

Undefined term

point

line

plane

A term that cannot be defined by using the other figures, a bu…

Names a location and has no size; it is represented by a point…

a straight path that has no thickness and extends forever.... (p.…

a flat surface that has no thickness and extends forever.... (p. 6)

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

Undefined term

point

line

plane

A term that cannot be defined by using the other figures, a bu…

Names a location and has no size; it is represented by a point…

a straight path that has no thickness and extends forever.... (p.…

a flat surface that has no thickness and extends forever.... (p. 6)

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

acute angle

adjacent angles

angle

angle bisector

angle that measures greater than 0º and less than 90º

two angles in the same plane with a common vertex and a common…

a figure formed by two rays, or sides, with a common endpoint

a ray that divides an angle into two congruent angles

Coordinate

Distance (aka: length between two points)

Congruent segments

Midpoint of a segment

the number that corresponds to a point's location

(absolute value: does not matter which direction I start to me…

Segments that have the same length. (do NOT have to be parallel)

The point that divides the segment into 2 congruent segments.

Angle

Area

Coordinate Plane

Line

A figure formed by two rays, or sides, with a common endpoint.

The number of nonoverlapping square units inside a figure.

A plane that is divided into four regions by a horizontal line…

A straight path that has no thickness and extends forever.

Side-Side-Side Congruence Postulate (SSS)

Angle-Side-Angle Congruence Theorem (ASA)

Side-Angle-Side Congruence Postulate (S…

Side-Side-Angle Conjecture (SSA)

If the sides of one triangle are congruent to the sides of ano…

If two angles and the included side in one triangle are congru…

If two sides and their included angle in one triangle are cong…

In an SSA combination, if the given side opposite the given an…

coordinate

distance ( aka: length)

geometric construction

points on a line

the number corresponding to a point's location

(absolute value: does not matter which direction I start to me…

Way to create a figure that is more precise (by using compass…

given three points, A, B, and C, B, is between A and C if and…

undefined term

point

line

plane

terms which cannot be defined by using other figures

a term which names a location and has no size; it is represent…

a straight path that has no thickness and extends forever

a flat surface that has no thickness and extends forever

undefined term

point

line

plane

A basic figure that is not defined in terms of other figures.…

Names a location & has no size. It is represented by a dot.

A straight path that has no thickness and extends forever.

flat 2 dimensional surface that extends indefinitely in all di…

center of a polygon

radius of a polygon

apothem of a polygon

central angle of a regular polygon

the center of its circumscribed circle

the radius of its circumscribed circle

the distance from the center of a polygon to any side of the p…

an angle whose vertex is the center of the polygon and whose s…