A straight path extending in both directions with no endpoints.

A part of a line that includes two points, called endpoints.

What a shape has if it can be folded about a line so that its two parts match exactly.

In the direction from top to bottom.

Lines in the same plane that never intersect and are always the same distance apart.

A line segment that connects two vertices of a polygon that are not next to each other.

The point at either end of a line segment.

In the direction from left to right.

Two lines that intersect to form four right angles.

A part of a line; it has one endpoint and continues without end in one direction.

A tool for measuring the size of an angle.

A triangle with one right angle.

An angle that forms a square corner.

An angle whose measure is 180°.

The point at which two rays of an angle meet or two (or more) line segments meet in a two-dimensional shape.

A closed two-dimensional shape formed by three or more straight sides that are line segments.

A quadrilateral whose opposite sides are parallel and of equal length.

A polygon with four sides and four angles.

A polygon with three sides and three angles.

A quadrilateral with two pairs of parallel sides and four sides of equal length.

A quadrilateral with exactly one pair of parallel sides.

A quadrilateral with two pairs of parallel sides, two pairs of sides of equal length, and four right angles.

A quadrilateral with two pairs of parallel sides, four sides of equal length, and four right angles.

The symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

A number with one or more digits to the right of the decimal point.

The amount a container can hold.

A customary unit used to measure capacity.

A metric unit used to measure length and distance.

A metric unit for measuring length or distance. 1 meter = 10 decimeters

The degree of hotness or coldness usually measured in degrees Fahrenheit or degrees Celsius.

A customary unit used to measure liquid capacity and liquid volume. 1 cup = 8 fluid ounces

A customary unit used to measure length or distance. 1 foot = 12 inches

A metric unit for measuring length or distance. 1 centimeter = 10 millimeters

A metric unit used to measure length or distance. 1 meter = 100 centimeters

A metric unit for measuring length or distance. 1 kilometer = 1,000 meters

A customary unit used to measure length or distance. 1 foot = 12 inches

A customary unit for measuring length or distance. 1 yard = 3 feet

A customary unit for measuring length or distance. 1 mile = 5,280 feet

The amount of matter in an object.

A customary unit to measure weight.

A customary unit for measuring weight. 1 pound = 16 ounces

Geometry Flashcards Flashcards

Student preview

82 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Acute Angle

Back

An angle that measures greater than 0° and less than 90°.

2.

FLASHCARD QUESTION

Front

Angle

Back

A figure formed by two rays that share an endpoint.

3.

FLASHCARD QUESTION

Front

Acute Triangle

Back

A triangle with three acute angles.

4.

FLASHCARD QUESTION

Front

Obtuse Triangle

Back

A triangle with one obtuse angle.

5.

FLASHCARD QUESTION

Front

Obtuse Angle

Back

An angle that measures greater than 90° and less than 180°.

6.

FLASHCARD QUESTION

Front

Line graph

Back

A graph that uses line segments to show how data change over time.

7.

FLASHCARD QUESTION

Front

Line of symmetry

Back

An imaginary line on a shape about which the shape can be folded so that its two parts match exactly.

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