In this video students learn the basics of antiprisms, in the context of New York’s Freedom Tower, which has an antiprism design.

In this video students learn the basics of rectangular prisms, in the context of a New York residential tower: 432 Park Avenue.

In this video students study a real-world application of triangular prisms: The Flat Iron Building in New York City.

In this video students learn the basics of prisms and anti prisms.

In this program we explore the properties of three-dimensional figures. We do this in the context of two real-world applications.

We visit ancient Greece to learn about the Platonic Solids.

Rectangular Prisms. Mayan pyramids are essentially stacks of rectangular prisms.

The Shanghai Tower in China is a stack of cylindrical shapes, where each successive layer is a percentage decrease of its lower

In this program we explore the properties of quadrilaterals. We do this in the context of two real-world applications.

Stonehenge is best known as a circular structure.

Frank Lloyd Wright’s architectural masterpiece Falling Water is also a stunning assembly of quadrilateral shape

The Puerta de Europa towers in Madrid bring parallelograms front and center.

This collection of clip art images includes image sequences for key topics in geometry.

This collection of clip art images includes image sequences for key topics in geometry.

The formula for the Surface Area of a Cube.

The formula for the Surface Area of a Rectangular Prism.

This is the Teacher's Guide that accompanies Geometry Applications: 3D Geometry.

In this Google Earth Voyager story visit architectural landmarks in New York City to learn about the geometry of prisms.

In this Google Earth Voyager story visit architectural landmarks in New York City to learn about the geometry of prisms.

In this Google Earth Voyager story visit architectural landmarks in New York City to learn about the geometry of prisms.

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

This set of tutorials provides an overview of the 24 worked-out examples that show how to calculate the surface area of different three-dimensional figures.

In this TI-Nspire Activity, use the Geometry Tools to construct a regular polygon and measure its area using the apothem-perimeter formula. 

This is part of a collection of math clip art images about selected topics in Geometry. Also look at our Geometry Basics math clip art collection.

This is part of a collection of math clip art images about selected topics in Geometry. Also look at our Geometry Basics math clip art collection.

This is part of a collection of math clip art images about selected topics in Geometry. Also look at our Geometry Basics math clip art collection.

This is part of a collection of math clip art images about selected topics in Geometry. Also look at our Geometry Basics math clip art collection.

This is part of a collection of math clip art images about selected topics in Geometry. Also look at our Geometry Basics math clip art collection.

This is part of a collection of math clip art images that show two-dimensional nets for 3D objects.

This is part of a collection of math clip art images that show two-dimensional nets for 3D objects.

This is part of a collection of math clip art images that show two-dimensional nets for 3D objects.

This is part of a collection of math clip art images that show two-dimensional nets for 3D objects.

This is part of a collection of math clip art images that show two-dimensional nets for 3D objects.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.

This is part of a collection of math examples that show how to area and perimeter for different geometric shapes.