This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions related to triangles and related concepts.

This is part of a collection of definitions on the topic of Triangles. Each definition is a downloadable image.

This is part of a collection of definitions related to triangles and related concepts.

The Bank of China building in Hong Kong is a dramatic example of triangular support.

Archer Fish are amazing hunters, spraying water on insect prey to knock them into the water.

In this Google Earth Voyager Story, explore the geometry of polygons in the context of architecture.

In this Google Earth Voyager Story, explore the geometry of polygons in the context of architecture.

In this Google Earth Voyager Story, explore the geometry of polygons in the context of architecture.

In this Google Earth Voyager Story, explore the geometry of polygons in the context of architecture.

In this Google Earth Voyager Story, explore the geometry of quadrilaterals in the context of architecture.

In this Google Earth Voyager Story, explore the geometry of quadrilaterals in the context of architecture.

In this Slide Show, apply concepts of linear functions to the context of the interior angles of a polygon. Note: The download is a PPT file.

This set of tutorials provides 36 examples of how to classify polygons based on side and angle characteristics.

This set of tutorials provides 36 examples of how to classify polygons based on side and angle characteristics.

This set of tutorials provides an overview of the 24 worked-out examples that show how to calculate the area and perimeter of different

This set of tutorials provides 34 examples of the types of quadrilaterals and how to classify quadrilaterals based on the sides and angles.

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.

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.

In this Slide Show, explore the properties of parallel and perpendicular lines. Use a slider to define the slope and then graph parallel and perpendicular lines linked to this slider.

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.

In this Slide Show, learn how to use the TI-Nspire App to construct an isosceles triangle. Note: The download is a PPT file.

This interactive crossword puzzle tests knowledge of key terms on the topic of the graphs of Parallel and Perpendicular Lines.

This interactive crossword puzzle tests knowledge of key terms on the topic of quadrilaterals.

This interactive crossword puzzle tests knowledge of key terms on the topic of triangles.

Use this math game to review polygons. This is a Memory-style game in which students must remember the location of pairs of identical images.

Use this math game to review polygons. This is a Memory-style game in which students must remember the location of pairs of identical images.

Use this math game to review quadrilaterals. This is a Memory-style game in which students must remember the location of pairs of identical images.

Use this math game to review triangles. This is a Memory-style game in which students must remember the location of pairs of identical images.

In this Math Riddles Game, have your students review vocabulary around the topic of triangles.

Solve an interactive word search puzzle on the topic of Triangles.

Solve an interactive word search puzzle on the topic of Triangles.

Solve an interactive word search puzzle on the topic of Triangles.

Solve an interactive word search puzzle on the topic of Triangles.

Solve an interactive word search puzzle on the topic of Triangles.

This collection of clip art images includes image sequences for key topics in geometry This includes points, lines, planes, angles, triangles