Section 1

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acute triangle

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Last updated

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Date created

Mar 1, 2020

Cards (18)

Section 1

(18 cards)

acute triangle

Front

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

Back

perpendicular lines

Front

Two lines that intersect to form four right angles

Back

straight angle

Front

An angle whose measure is 180*

Back

obtuse triangle

Front

An angle that measures greater than 90º and less than 180º

Back

intersecting lines

Front

Lines that cross each other at exactly one point

Back

angle

Front

A shape formed by two line segments or rays that share the same endpoint

Back

obtuse angle

Front

An angle that measures greater than 90º and less than 180º

Back

ray

Front

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

Back

vertex/vertices

Front

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

Back

degree

Front

The unit used for measuring angles and temperatures

Back

right angle

Front

An angle that forms a square corner

Back

protractor

Front

A tool for measuring the size of an angle

Back

line segment

Front

A part of a line that includes two points called endpoints and all the points between them

Back

line

Front

A straight path of points in a plane that continues without end in both directions with no endpoints

Back

acute angle

Front

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

Back

right triangle

Front

A triangle with one right angle

Back

parallel lines

Front

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

Back

point

Front

An exact location in space

Back