Willow Tree
Common Geometric Figures
Geometry could be called the study of figures. An overview of the figures found in a typical geometry course contains a study of different triangles, quadrilaterals, and regular polygons.
Willow Tree
Perimeter of Common Geometric Figures
Help learners understand that perimeter and circumference are one in the same. Learners apply their skills to determine the perimeter/circumference of triangles, rectangles, and circles. They then use the same strategy to find the...
Oswego City School District
Regents Exam Prep Center: Geometry Vocabulary Resources
A list of geometry definitions and a matching activity.
![Regents Exam Prep Center: Nys Mathematics Glossary: Geometry [Pdf] Handout](http://lessonplanet.com/content/resources/thumbnails/410149/large/bwluav9tywdpy2symdiwmduymc0yotc3ms0xc2cxdxfjlmpwzw.jpg?1589985608 "Regents Exam Prep Center: Nys Mathematics Glossary: Geometry [Pdf] Handout")
Oswego City School District
Regents Exam Prep Center: Nys Mathematics Glossary: Geometry [Pdf]
The glossary consists of mathematical terms used in geometry. Definitions and examples are included. The resource is intended for teacher use only.
National Council of Teachers of Mathematics
The Math Forum: Analytic Geometry Formulas, Ellipses
A brief overview from the Math Forum on calculating various measures of segments, like major and minor axes and distance from focus to center, is given. Additionally, equations of ellipse in general and standard forms are listed.
Oswego City School District
Regents Exam Prep Center: Triangle Information
This Oswego City School District site from the Regents Exam Prep Center provides an explanation of the classifications of triangles both by sides and by angles. Pictures are also included.
Oswego City School District
Regents Exam Prep Center: Theorems and Postulates for Geometry
Here is a partial list of theorems, postulates, and properties.
Oswego City School District
Regents Exam Prep Center: An Intuitive Notion of Dilation
This site offers a very basic discussion of dilations. It explains what a scaling factor is and provides illustrations.
![Regents Exam Prep Center: Geometry: Things to Remember [Pdf] Handout](http://lessonplanet.com/content/resources/thumbnails/410151/large/bwluav9tywdpy2symdiwmduymc0yotc3nc12zw9xbmsuanbn.jpg?1589985610 "Regents Exam Prep Center: Geometry: Things to Remember [Pdf] Handout")
Oswego City School District
Regents Exam Prep Center: Geometry: Things to Remember [Pdf]
Use this information sheet to help remember key geometric points for test preparation. This is a .pdf document.
Math Words
Math words.com: Rotation
A basic definition of what rotation is at this site from MathWords.com. Provides a diagram to illustrate the concept. Links to other related concepts included.
Oswego City School District
Regents Exam Prep Center: Pyramids
What is a pyramid? Find a definition, example images, and formulas for finding the volume and surface area of a pyramid if given base and height measurements. Includes a very brief look at a pyramid in Egypt and its measurements.
Oswego City School District
Regents Exam Prep Center: Polyhedra
View and learn about five different polyhedra: tetrahedron, octahedron, icosahedron, hexahedron, and dodecahedron. Learn what Euler's Polyhedra Theorem is, and see examples of non-polyhedra as well.
Oswego City School District
Regents Exam Prep Center: Intuitive Notion of Point Symmetry
This intuitive explanation shows how to determine if an object has point symmetry. The site offers examples of objects with point symmetry.
Oswego City School District
Regents Exam Prep Center: Exterior Angles of Polygons
This site explains what the measure of the sum of exterior angles is for any polygon, and shows how to find the measure of individual exterior angles for regular polygons with a drawn example.
Oswego City School District
Regents Exam Prep Center: Formulas for Angles in Circles
Formulas and illustrations show the different kinds of angles created by intersecting tangents, secants, radii, and in combination.