The formula for the Area of a Circle.

The formula for: Area of a Parallelogram.

The formula for: Area of a Quarter Circle.

The formula for the Area of a Rectangle.

The formula for: Area of a Rhombus.

This is the formula for finding the area of a right triangle. This is part of a collection of resources that include key math formulas.

The formula for: Area of a Sector of a Circle.

The formula for: Area of a Semi-Circle.

The formula for the Area of a Square.

The formula for: Area of a Trapezoid.

The formula for: Area of a Triangle.

The formula for: Area of an Equilateral Triangle.

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 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 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.

In this video tutorial learn about perimeter in the context of triangles. Several examples of calculating a perimeter are shown: whole number sides, decimal sides.