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line

line segment

ray

parallel lines

A continuous extent of length, straight or curved, without an…

part of a line with two endpoints

A part of a line, with one endpoint, that continues without e…

lines in the same plane that never intersect

line

A continuous extent of length, straight or curved, without an…

line segment

part of a line with two endpoints

line segment

line

ray

surface of paper is ____ which gives i…

a straight line with a beginning and an end;... has definite len…

a line segment extending endlessly on both sides;... doesn't hav…

part of a line that extends endlessly in one direction only;…

flat

line segment

a straight line with a beginning and an end;... has definite len…

line

a line segment extending endlessly on both sides;... doesn't hav…

acute angle

angle

line

line segment

an angle measuring less then a right angle (90 degrees)

Two rays that meet at the same point

a straight segment that goes on forever in both directions

part of a line connecting two points

acute angle

an angle measuring less then a right angle (90 degrees)

angle

Two rays that meet at the same point

Quadrilateral

Trapezoid

Parallelogram

Rectangle

You are a flat shape with four straight sides. I am the most…

you are a four sided figure with one pair of parallel sides.

You are a 4-sided flat shape with straight sides where opposi…

You are a 4-sided flat shape with straight sides where all in…

Quadrilateral

You are a flat shape with four straight sides. I am the most…

Trapezoid

you are a four sided figure with one pair of parallel sides.

height

length

width

area

(noun) the vertical distance from top to bottom.

(noun) the distance along a line or curve.

(noun) the distance from one side of an object to another.

(noun) the amount of surface inside a 2-dimensional shape. Th…

height

(noun) the vertical distance from top to bottom.

length

(noun) the distance along a line or curve.

point

line

ray

line segment

a fixed location in space

a figure made up of points that extend forever in both direct…

a figure that has one endpoint and extends forever in the oth…

a piece of a line marked by two endpoints

point

a fixed location in space

line

a figure made up of points that extend forever in both direct…

Point

Line

Plane

Segment

Represents a position in space.

Continues without end in opposite directions.

A flat surface with no thickness that continues without end i…

Part of a line with two endpoints.

Point

Represents a position in space.

Line

Continues without end in opposite directions.

circumcenter

perpendicular bisector

bisect

centroid

where all the perpendicular bisectors of a triangle intersect

Bisects a segment and is perpendicular to it.

to cut exactly in half

The point of concurrency of the medians of a triangle

circumcenter

where all the perpendicular bisectors of a triangle intersect

perpendicular bisector

Bisects a segment and is perpendicular to it.

Triangle

Line Segment

Vertex

Interior Angles

formed by three line segments that intersect only at endpoints

part of a line containing two endpoints and all points between

the point where the segments of a triangle intersect

three angles that lie inside a triangle formed by the segment…

Triangle

formed by three line segments that intersect only at endpoints

Line Segment

part of a line containing two endpoints and all points between

protractor

range

ray

right angle

A tool used to measure and draw angles.

The difference between the greatest number and the least numb…

A part of a line that has one endpoint and goes on forever in…

An angle that measures exactly 90º.

protractor

A tool used to measure and draw angles.

range

The difference between the greatest number and the least numb…

line

line segment

ray

endpoint

straight path that goes in 2 directions without ending

straight path that has 2 endpoints

line that has one endpoint and goes on forever in only one di…

point at the end of a ray or line segment

line

straight path that goes in 2 directions without ending

line segment

straight path that has 2 endpoints

A Polygon

triangle

Triangles are classified in 2 ways

Triangles are classified by the number…

is a 2-dimensional shape made of straight lines

:n. a triangle has three sides and three angles. The three an…

- by the number of equal sides ... - by the types of angles

• scalene - all 3 sides have different lengths, ... • isosceles…

A Polygon

is a 2-dimensional shape made of straight lines

triangle

:n. a triangle has three sides and three angles. The three an…

Tangent-Radius Property

Angle-Sum Property

Pythagorean Theorem

Centre Point

A tangent is perpendicular (forms right angle) to the radius…

The sum of the 3 angles in a triangle is always 180°

a² + b² = c²

The point at the perfect centre of the circle.

Tangent-Radius Property

A tangent is perpendicular (forms right angle) to the radius…

Angle-Sum Property

The sum of the 3 angles in a triangle is always 180°

Polygon

Regular Polygon

Concave Polygon

Convex Polygon

A closed two dimensional figure with 3 or more straight sides

A polygon where all the sides are the same length

A polygon the "caves in" (You must go outside to the shape to…

A polygon that is not concave

Polygon

A closed two dimensional figure with 3 or more straight sides

Regular Polygon

A polygon where all the sides are the same length

right angle

acute angle

obtuse angle

straight angle

an angle that measures EXACTLY 90 degrees

an angle that measures greater than 0 degrees, but less than…

an angle that measures greater than 90 degrees, but less than…

an angle that measures EXACTLY 180 degrees; forms a straight…

right angle

an angle that measures EXACTLY 90 degrees

acute angle

an angle that measures greater than 0 degrees, but less than…

acute

line

line segment

obtuse angle

an angle that is less then 90degrees

A straight path that extends infinitely in both directions.

A part of a line with two endpoints.

An an angle mesuring more than 90 degrees

acute

an angle that is less then 90degrees

line

A straight path that extends infinitely in both directions.

Acute Angle

Acute Triangle

Angle

Assymetrical

an angle that has a measure less than a right angle

a triangle with 3 acute angles

formed by two rays that have a common endpoint

when a figure is not able to be divided into two congruent ha…

Acute Angle

an angle that has a measure less than a right angle

Acute Triangle

a triangle with 3 acute angles

angle

ray

line segment

right angle

A figure formed by two rays with a common endpoint

A part of a line, with one endpoint, that continues without e…

part of a line with two endpoints

an angle that measures 90 degrees

angle

A figure formed by two rays with a common endpoint

ray

A part of a line, with one endpoint, that continues without e…

Intersection

Perpendicular

Scalene Triangle

Isosceles Triangle

the point in where in two lines or cross

Intersecting at or forming right angles

where all sides of a triangle are unequal

only 2 sides of the triangle are equal

Intersection

the point in where in two lines or cross

Perpendicular

Intersecting at or forming right angles

attribute

congruent angles

isosceles triangle

scalene triangle

A characteristic of a figure.

Angles of a figure that are equal in measure.

A triangle with 2 equal sides of the same length.

A triangle with no congruent sides.

attribute

A characteristic of a figure.

congruent angles

Angles of a figure that are equal in measure.

point

line

line segment

ray

an exact location in space represented by a dot

a straight set of points that extend without end on both dire…

a part of a line between two endpoints

a part of a line with one endpoint and extends without end in…

point

an exact location in space represented by a dot

line

a straight set of points that extend without end on both dire…

A geometric figure that has length, wi…

pyramid

cylinder

cone

solid

a three dimensional shape with a polygon as its base, and tri…

a solid figure with two bases and one curved surface

a solid figure that has a circular base and comes to a point…

A geometric figure that has length, wi…

solid

pyramid

a three dimensional shape with a polygon as its base, and tri…

Point

Line

Segment or Line Segment

Ray

A location in space.

A series of points that extend infinetly in opposite directio…

Consists of 2 endpoints and all the points in between the end…

Consists of 1 endpoint and all the points of the line on one…

Point

A location in space.

Line

A series of points that extend infinetly in opposite directio…

Midpoint

Segment Bisector

Angle Bisector

Adjacent Angles

A point that divides a segment into 2 equal... segments.

A segment/ray or line that intersects another segment at its…

A ray that divides an angle into 2 equal angles.

Two angles that share a common side.

Midpoint

A point that divides a segment into 2 equal... segments.

Segment Bisector

A segment/ray or line that intersects another segment at its…

acute

obtuse

congruent

relation / relative

An angle more than 0 degrees and less than 90 degrees

an angle more than 90 degrees and less than 180 degrees

Having the same size and shape

When comparing similar or congruent shapes, the sides or angl…

acute

An angle more than 0 degrees and less than 90 degrees

obtuse

an angle more than 90 degrees and less than 180 degrees

Angle

Circle

Perpendicular Lines

Parallel Lines

The amount of turn between two straight lines that have a com…

Two dimensional shape created by drawing a curve that is alwa…

Two lines that create a 90 degree angle when they intersect

Two lines on a plane that will never meet. They are always th…

Angle

The amount of turn between two straight lines that have a com…

Circle

Two dimensional shape created by drawing a curve that is alwa…

Vertical Angles

Supplementary Angles

Right Angle

Complimentary Angles

Formed by 2 intersecting lines or segments. Always congruent.

Two angles that form a line and add up to 180°.

An angle that measures 90°.

Two angles that add up to 90°.

Vertical Angles

Formed by 2 intersecting lines or segments. Always congruent.

Supplementary Angles

Two angles that form a line and add up to 180°.

model

polygon

quadrilateral

triangle

a three-dimensional representation of a thing or concept.

2-D shape that has 3 or more straight sides

a 2D shape with four sides and four angles

a polygon with three sides and three angles

model

a three-dimensional representation of a thing or concept.

polygon

2-D shape that has 3 or more straight sides

Acute Angle

Obtuse Angle

Right Angle

Angle

an angle less than 90 degrees but more than 0 degrees

An angle that measures more than 90 degrees but less than 180…

an angle that measures 90 degrees

A figure formed by two rays with a common endpoint

Acute Angle

an angle less than 90 degrees but more than 0 degrees

Obtuse Angle

An angle that measures more than 90 degrees but less than 180…

Latitude

Longitude

Circumference

Ellipse

The measure of the degrees north and south of the equator. Di…

The measure of the degrees east and west of the prime meridia…

perimeter

Looks like an elongated circle. The path of a planet in the s…

Latitude

The measure of the degrees north and south of the equator. Di…

Longitude

The measure of the degrees east and west of the prime meridia…

line

line segment

ray

angle

straight path that goes on without end in two directions

part of a line, it has two endpoints

part of a line. It has one endpoint. The other end goes on wi…

is formed by two rays with the same endpoint.

line

straight path that goes on without end in two directions

line segment

part of a line, it has two endpoints

angle

acute angle

line of symmetry

obtuse angle

the space between two connecting lines

an angle that is less than 90 degrees

a line that divided a shape into two mirror images

an angle that is greater than 90 degrees

angle

the space between two connecting lines

acute angle

an angle that is less than 90 degrees

Angle

Right Angle

Vertex (Vertices)

Acute Angle

A figure formed by two rays with a common endpoint

an angle that measures 90 degrees.

A point where two or more straight lines meet.

an angle that measures less than 90 degrees

Angle

A figure formed by two rays with a common endpoint

Right Angle

an angle that measures 90 degrees.

Equilateral triangle

isosceles triangle

Scalene triangle

Acute triangle

Triangles with all side equal

Triangle with 2 sides equal

Triangle with all sides different lengths

Triangle with all acute angle

Equilateral triangle

Triangles with all side equal

isosceles triangle

Triangle with 2 sides equal