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Reflex Angle |
Definition of an Angle
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Right Angle |
Definition of an Angle
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Straight Angle |
Definition of an Angle
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Supplementary Angles |
Definition of an Angle
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Vertical Angles |
Definition of an Angle
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3-4-5 Right Triangle |
Definition of a Triangle
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30-60-90 Right Triangles |
Definition of a Triangle
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45-45-90 Right Triangles |
Definition of a Triangle
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5-12-13 Right Triangle |
Definition of a Triangle
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Acute Triangle |
Definition of a Triangle
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Area of a Triangle |
Definition of a Triangle
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Base of a Triangle |
Definition of a Triangle
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Centroid of a Triangle |
Definition of a Triangle
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Circle Inscribed In a Triangle |
Definition of a Triangle
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Circumcenter of a Triangle |
Definition of a Triangle
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Congruent Triangles |
Definition of a Triangle
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Equilateral Triangle |
Definition of a Triangle
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Hypotenuse |
Definition of a Triangle
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Incenter of a Triangle |
Definition of a Triangle
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Inscribed Triangle |
Definition of a Triangle
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Interior Angles of a Triangle |
Definition of a Triangle
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Isosceles Triangle, Definition 1 |
Definition of a Triangle
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Isosceles Triangle, Definition 2 |
Definition of a Triangle
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Legs of a Right Triangle |
Definition of a Triangle
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Medians of a Triangle |
Definition of a Triangle
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Obtuse Triangle |
Definition of a Triangle
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Orthocenter of a Triangle |
Definition of a Triangle
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Perimeter of a Triangle |
Definition of a Triangle
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Pythagorean Triples |
Definition of a Triangle
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Right Triangle |
Definition of a Triangle
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Scalene Triangle |
Definition of a Triangle
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Similar Triangles |
Definition of a Triangle
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Triangle Altitude |
Definition of a Triangle
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Triangle Height |
Definition of a Triangle
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Triangle Inscribed in a Circle |
Definition of a Triangle
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Triangle, Definition 1 |
Definition of a Triangle
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Triangle, Definition 2 |
Definition of a Triangle
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Vertex of a Triangle |
Definition of a Triangle
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Geometry Applications Teachers Guide: Angles and Planes
This is the Teacher's Guide that accompanies Geometry Applications: Angles and Planes. |
Applications of Angles and Planes
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Geometry Applications: Archer Fish: Teacher's Guide
Archer Fish are amazing hunters, spraying water on insect prey to knock them into the water. |
Right Triangles
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Google Earth Voyager Story: The Geometry of Castles |
Applications of Angles and Planes
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Google Earth Voyager Story: Triangular Structures |
Applications of Triangles
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This hands-on activity is a companion to the video segment from the Geometry Applications: Angles and Planes video. In particular, it supports the segment on the architecture of Himeji Castle. |
Applications of Angles and Planes,
Applications of Transformations
and Proportions
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INSTRUCTIONAL RESOURCE: Math Examples--Right Triangles
This set of tutorials provides 26 examples of how to find the length of a side of a triangle using given angle or side measurements. |
Right Triangles
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MATH EXAMPLES--Angle Measures
This set of tutorials provides 48 examples of angles and how to identify angles by their measurement. NOTE: The download is a PPT file.
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Angles
and Definition of an Angle
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In this Slide Show, we show how to construct an isosceles triangle. This presentation requires the use of the TI-Nspire iPad App. Note: the download is a PPT.
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Definition of a Triangle
and Geometric Constructions with Triangles
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In this Slide Show, we show how to construct the perpendicular bisectors of the three sides of a triangle to show they intersect at a single point. This presentation requires the use of the TI-Nspire iPad App. Note: the download is a PPT.
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Definition of a Triangle
and Geometric Constructions with Triangles
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In this Slide Show, learn how to use the TI-Nspire App to construct an isosceles triangle. Note: The download is a PPT file.
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Definition of a Triangle
and Geometric Constructions with Triangles
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INSTRUCTIONAL RESOURCE: Tutorial: Geometry Application: Himeji Castle
In this Slide Show, learn about the geometry of castle construction. |
Applications of Angles and Planes
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Instructional Resource: Tutorial: What Is the Angle Addition Postulate?
In this tutorial, learn what the Angle Addition Postulate is and how to use it to solve problems. |
Applications of Angles and Planes
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