Geometry section of MathBitsNotebook.com

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Constructions and Concurrencies
Geometry Outline | MathBitsNotebook.com | MathBits' Teacher Resources

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Note:
The constructions on this page are also linked from pages within this site
that discuss the coordinating topics.


blacktriangle indicates compatibility to NY Next Generation Math Standards (NGMS)
* Constructions specifically stated, or referenced, in NGMS. Others also possible.
LESSONS:
* calculator link
Constructions - Compass and Straightedge
Construction Information (classic info, required construction, plus(+), FYI)
Constructions: Tools and Rules

Basic Constructions
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Parallel Lines
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Construction: Parallel Through a Point (application of constructions)
Construct: Divide a Segment (Partition) (application of constructions)

Triangles
*
Construct; Triangle with Given Lengths (scalene, isosceles, equilateral)
Construct: SAS, ASA, SSS (application of constructions)

Angles
Construct: Angles - 90º, 60º, 45º, 30º (application of constructions)
See more about "angle constructions" under Construct: Rotations

Points of Concurrency (in triangles)
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Circumcenter - Concurrent Perp. Bis. (& connection to circumscribed circle)
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Construct: Circle Inscribed in a Triangle
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Incenter - Concurrent Angle Bisectors (& connection to inscribed circle)

Transformations
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Construct: Dilations (similar triangles, scale factors and center)

Circles
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Construct: Regular Hexagon (inscribed in circle)
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Construct: Equilateral Triangle (inscribed in circle)
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Construct: Square (given one side, inscribed in circle)
+
Construct: Locate the Center of the Circle (application of constructions)

Other Construction Tools (glimpses only)
*

"Locus" will return under a new heading.

PRACTICE:

Practice with More Constructions ("Triangles", "Angles", divide segment)



Practice with Constructions and Reflections

Practice with Circle Constructions