Oswego City School District
Regents Exam Prep Center: Geometry Vocabulary Resources
A list of geometry definitions and a matching activity.
Math Slice
Math Slice: Math Match Game
Test your geometry aptitude using this interactive matching game. Match pictures and symbols to the correct definition. Answers are verified immediately. Winners can earn as much as 10,000 dollars and have their name posted for the day.
National Council of Teachers of Mathematics
The Math Forum: Angles of an Octahedron
This question and answer site from The Math Forum with Dr. Math discusses the angle between two adjacent faces of an octahedron. Links are also provided for additional information on related subjects.
Math2
Math2.org: Trigonometry Functions
A complete look at trig functions. From an "overview," page giving general definitions and important vocab words, to a listing of the 12 trig functions, to an explanation of the three modes used in trigonometry, to the procedures of how...
Curated OER
Zona Land: Right Triangle Solver 2
A java applet that will solve a right triangle when you provide angle D and its adjacent side e.
Curated OER
Zona Land: Right Triangle Solver 3
A java applet that will solve a right triangle when you provide angle D and the length of the hypotenuse f.
Curated OER
Zona Land: Right Triangle Solver 1
A java applet that will solve a right triangle when you provide information for angle D and its opposite side d.
CK-12 Foundation
Ck 12: Geometry: Linear Pairs
[Free Registration/Login may be required to access all resource tools.] Solve linear pair problems.
Texas Instruments
Texas Instruments: Numb3 Rs: Telling Time With the Sun
Based off of the hit television show NUMB3RS, this activity is a very basic introduction to the tangent function and it's applications (such as measuring distances). Through this lesson, students will learn the definition of the tangent...
Oswego City School District
Regents Exam Prep Center: Special Right Triangles
A collection of lessons, practice activities, and a teacher resource that will aid your exploration and understanding of special right triangles.
Physics Aviary
Physics Aviary: Mc Culley's Trig Thing
This program gives students a visual representation of sine and cosine at different angles. A unit vector will cycle through different angles and students can see the changes that take place to the horizontal part and the vertical part...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Homotecia Y Semejanza
In Spanish. In this interactive activity you can understand and know how to apply direct and inverse homothety to simple shapes, apply Thale's theorem, construct similar polygons and work out their related measurements and know how to...
Curated OER
Zona Land: Right Triangle Solver 4
A java applet that will solve a right triangle when you provide side lengths for d (long side) and e (short side).
Curated OER
Zona Land: Right Triangle Solver 5
A java applet that will solve a right triangle when you provide the lengths of side e (short side) and side f (hypotenuse).
Curated OER
Zona Land: Right Triangle Solver 6
A java applet that will solve a right triangle when you provide the lengths for side d (long side) and for side f (hypotenuse).
University of Georgia
University of Georgia: Inter Math: Edge
This site gives a description of edge along with a visual representation. Be sure to use the links to related terms, everyday examples, challenging problems, more information, and the interactive check point located in the left-hand column.
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