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compass & straight edge

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http://www.mathopenref.com/constcopysegment.html
~~~~~~~~~~~~~~~~~~~~
https://youtu.be/Y1m4vHDv_vo

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http://www.mathopenref.com/constcopyangle.html
~~~~~~~~~~~~~~~~~~~~~~~
https://youtu.be/JPqes2SWnZQ

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http://www.mathopenref.com/constbisectline.html
~~~~~~~~~~~~~~~~~~~~~~~
https://youtu.be/NGxmgIoVgZ4

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http://www.mathopenref.com/constbisectangle.html
~~~~~~~~~~~~~~~~~~~~~~~
https://youtu.be/79vUY_5geFo

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http://www.mathopenref.com/constbisectline.html
~~~~~~~~~~~~~~~~~~~~~~~
https://youtu.be/dfchb8qO2k8

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6. Draw a perpendicular line through a point on a line 

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6. Draw a perpendicular line through a point on a line 

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http://www.mathopenref.com/constperpextpoint.html
~~~~~~~~~~~~~~~~~~~~~~~
https://youtu.be/iOqPDnDFPog

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7. Draw a perpendicular line from a point not on the line

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7. Draw a perpendicular line from a point not on the line

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https://www.youtube.com/watch?v=ClKxRBDfSsc
~~~~~~~~~~~~~~~~~~~~~~~

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8. Draw a line parallel to a given line through a point not on the line

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8. Draw a line parallel to a given line through a point not on the line

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http://www.mathopenref.com/constparallel.html

http://www.mathopenref.com/constparalleltt.html

http://www.mathopenref.com/constparallelrhombus.html
~~~~~~~~~~~~~~~~~~~~~~~
https://youtu.be/LzDfm5LW4cY

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two lines that are always the same distance apart, they never touch, and they are the same slope

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two lines that intersect one another at a 90° angle

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a point, segment, line, or plane that divides a line segment into to equal parts; the bisector of a segment always contains the midpoint

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a point on a line that divides it into two equal parts; the halfway point of a line segment

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a special kind of segment, ray, or line that intersects a given segment at a 90° angle and passes through the segment's midpoint

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a line that divides an angle into two equal angles

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a mathematical statement that appears to be true but has not been formally proven; an unproven statement based on observation; if it is proven, it becomes a theorem

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angles opposite to one another wen two angles cross which are always equal

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two angles that have a common vertex and a common side; common vertex & point means they share

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two angles that add up to 90°

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two angles that add up to 180°

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line formed when two lines intersect; two angles are said to be linear if they are adjacent angles formed by intersecting lines; linear pair must add up to 180°

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straight with no curves and goes on infinitely (unless it is a segment, than it ends at the end points)

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flat, infinite, two-dimensional surface

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line that is bounded by two distinct end points (contains all points between those two end points)

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line that starts from a certain end and goes on infinitely in one direction

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rays that have the same endpoint but go on in opposite directions infinitely

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a point which ends a line segment or ray

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three or more points that lie on a single straight line

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three or more points that lie on the same plane

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figure formed by two rays (its sides) that share a common endpoint (the vertex)

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a point where two or more curves, lines, or edges meet/share

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an angle that measures less than 90° but less than 0°

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an angle that measures exactly 90°

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an angle whose measure is greater then 90° but less than 180°

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an angle of 180°

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angles measuring greater than 180° but less thank 360°

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angles with a common side and a common vertex (they also dont overlap)

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exactly equal in size and shape

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a technical drawing instrument for inscribing circles and arcs

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a technical drawing instrument or tool used to inscribe straight lines

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planes that do not intersect and are said to be parallel (ex: opposite sides of a cube)

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planes that respective normals are perpendicular

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to cut into two equal parts

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a two-dimensional shape that is made by drawing a curve that is always the same distance from the center (radius must always be equal throughout shape enclosed shape)

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portion of the circumference of a circle

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A line contains at least two points; a plane contains at least three points not all in one line; space contains at least four points not all in one plane

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Through any three points there is at least one plane, and through any three non collinear points there is exactly one place

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Through a line and a point not in the line there is exactly one plane

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If two lines intersect, then exactly on plane contains the lines

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If M is the midpoint of AB (line AB), then A
M = 1/2AB and MB =1/2AB

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If BX (ray BX) is the bisector ∠ABC, then m∠ABX = 1/2m ∠ABC and m∠XBC = 1/2 m∠ABC

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If two lines are perpendicular, then they form congruent adjacent angles

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the intersection of two lines is a point

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postulate 1.1.5 - line of intersection between two planes

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postulate 1.1.5 - line of intersection between two planes

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the intersection of two planes is a line

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postulate 1.1.6 - line between two points 

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postulate 1.1.6 - line between two points 

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Through any two points there is exactly one line

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postulate 1.1.8 - lines of points located on a plane

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postulate 1.1.8 - lines of points located on a plane

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If two points are in a plane, then the line containing them is in the plane

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postulate 1.2.3 - Segment Addition Postulate 

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postulate 1.2.3 - Segment Addition Postulate 

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If point R is between points P and Q on a line, then PR + RQ = PQ

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postulate 1.3.2 - Angle Addition Postulate 

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postulate 1.3.2 - Angle Addition Postulate 

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If point S is in the interior of ∠PQR, then m∠PQS+ m∠SQR = m∠PQR

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Postulate 3.5.1 - The Parallel Postulate 

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Postulate 3.5.1 - The Parallel Postulate 

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Given a line and a point not on the line, there is one and only one line that contains the given point and is parallel to the given line.

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https://youtu.be/Y1m4vHDv_vo

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https://youtu.be/JPqes2SWnZQ

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https://youtu.be/NGxmgIoVgZ4

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https://youtu.be/79vUY_5geFo

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https://youtu.be/dfchb8qO2k8

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6. Draw a Perpendicular Line Through A Point on the Line

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6. Draw a Perpendicular Line Through A Point on the Line

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https://youtu.be/iOqPDnDFPog

# data[].attributes.headline
7. Draw a perpendicular line through a point not on the line

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7. Draw a perpendicular line through a point not on the line

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https://youtu.be/LzDfm5LW4cY

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8. Parallel line through a point on  a line 

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8. Parallel line through a point on  a line 

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https://youtu.be/xIPvcGopzCk

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forgot to insert this: