# Study sets matching "math geometry flashcards"

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line

line segment

ray

parallel lines

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

part of a line with two endpoints

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

lines in the same plane that never intersect

line

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

line segment

part of a line with two endpoints

line segment

line

ray

surface of paper is ____ which gives id…

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

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

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

flat

line segment

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

line

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

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

point

line

ray

line segment

a fixed location in space

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

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

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 directi…

Space

Plane

Segment

Regular

An undefined term thought of as the set of all points. This ex…

An undefined term thought of as a flat surface that extends in…

Two points and all the points between them that are collinear…

All sides are equal and all angles are equal within a polygon

Space

An undefined term thought of as the set of all points. This ex…

Plane

An undefined term thought of as a flat surface that extends in…

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 in…

Part of a line with two endpoints.

Point

Represents a position in space.

Line

Continues without end in opposite directions.

LINEAR PAIR

SUPPLEMENTARY ANGLE

COMPLEMENTARY ANGLES

VERTICAL ANGLES

TWO LINES THAT FORM A STRAIGHT LINE 180 DEGREES... Two adjacent a…

two angles whose measures have a sum of 180 degrees

Two angles whose sum is 90 degrees

Angles that are across from one another. EQUAL (congruent) to…

LINEAR PAIR

TWO LINES THAT FORM A STRAIGHT LINE 180 DEGREES... Two adjacent a…

SUPPLEMENTARY ANGLE

two angles whose measures have a sum of 180 degrees

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 angle…

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

Ray

Complementary Angles

Supplementary Angles

The union of two rays with a common endpoint called the vertex.

Part of a line with one endpoint. It extends indefinitely in o…

The sum of two angles is 90 degrees.

The sum of two angles is 180 degrees.

Angle

The union of two rays with a common endpoint called the vertex.

Ray

Part of a line with one endpoint. It extends indefinitely in o…

Acute Angle

Acute Triangle

Adjacent Angles

Complementary Angles

an angle that measures less than 90 degrees

A triangle with 3 acute angles

Angles that have a common side and a common vertex (corner poi…

Two angles whose sum is 90 degrees

Acute Angle

an angle that measures less than 90 degrees

Acute Triangle

A triangle with 3 acute angles

Perpendicular Lines

Parallel Lines

Right Triangle

Obtuse Triangle

Lines that cross at a 90 degree angle

lines in the same plane that never intersect

A triangle that has a 90 degree angle.

A triangle with one angle that is greater than 90 degrees.

Perpendicular Lines

Lines that cross at a 90 degree angle

Parallel Lines

lines in the same plane that never intersect

line segment

line

ray

surface of paper is ____ which gives id…

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

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

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

flat

line segment

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

line

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

acute triangle

attribute

congruent angles

congruent sides

Each angle measures less than 90*

A characteristic of a figure.

Angles of a figure that are equal in measure.

Sides of a figure that are equal in length.

acute triangle

Each angle measures less than 90*

attribute

A characteristic of a figure.

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.

A geometric figure that has length, wid…

pyramid

cylinder

cone

solid

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

a solid figure with two bases and one curved surface

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

A geometric figure that has length, wid…

solid

pyramid

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

Acute Angle

Acute Triangle

Adjacent Angles

Complementary Angles

an angle that measures less than 90 degrees

A triangle with 3 acute angles

Angles that have a common side and a common vertex (corner poi…

Two angles whose sum is 90 degrees

Acute Angle

an angle that measures less than 90 degrees

Acute Triangle

A triangle with 3 acute angles

Quadrilateral

Trapezoid

Parallelogram

Rectangle

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

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

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

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

Quadrilateral

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

Trapezoid

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

ray

line

line segment

point

part of a line that has one endpoint and extends infinitely al…

a straight one-dimensional figure that extends infinitely in b…

a part of a line that is bounded by two distinct end points

refers to a specific spot

ray

part of a line that has one endpoint and extends infinitely al…

line

a straight one-dimensional figure that extends infinitely in b…

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. Thi…

height

(noun) the vertical distance from top to bottom.

length

(noun) the distance along a line or curve.