Curated OER
Triangle Problems - Find the Height given the Area
In this online math activity, students find the height of 5 triangles given their area. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
University of Saskatchewan (Canada)
University of Saskatchewan: Advanced Trig Exercises
Site provides five example problems dealing with real life trigonometry applications. Hints and solution links are provided.
McGraw Hill
Glencoe: Self Check Quizzes 2 Triangles
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of a variety of triangle topics. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
Oswego City School District
Regents Exam Prep Center: Mid Segment of a Triangle
Three resources to help you plan instruction on the mid-segment of a triangle: a lesson with definition, properties, and examples of a mid-segment of a triangle; a seven-question quiz through which students can practice working with...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving General Triangles
Fourteen problems present a variety of practice solving general triangles. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to...
Analyze Math
Analyze Math: Triangle Problems
Here are five triangle problems to solve using the Law of Sines, Law of Cosines, Pythagorean Theorem, and trigonometry. All problems have detailed written solutions included.
CK-12 Foundation
Ck 12: Trigonometry: Law of Sines
[Free Registration/Login may be required to access all resource tools.] Learn how to use the Law of Sines with different types of triangles.
University of Georgia
University of Georgia: Navigation Problems
These two navigation problems employ the use of the law of sines or cosines and basic trigonometry. Each problems includes links to a sketch of the problem for visual help, and to a solution.