Area of non-right triangles using trigonometry Interactive Notebook

Area of Triangle using trigonometry is a set of notes for finding the area of triangles using SAS and Heron’s Formula. Additionally, students can solve entire triangles using a combination of trigonometric equations such as the law of sines and cosines. These notes were created for pre-Calculus students.

This set of interactive notebook foldables include:
- Color Coded graphic organizer
- Black-line master graphic organizer
- Practice problems with guided notes
- Answer key

This resource available in the following bundles:
- Unit 5 PreCalculus
- Unit 5 PreCalculus Foldables only

This purchase is for one teacher only. This resource is not to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses. If you are interested in a site license, please contact me for a quote at This resource may not be uploaded to the internet in any form, including classroom/personal websites or network drives.


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  • Area-of-triangle-with-trig-precalc_DR.pdf

About this resource


Created: Apr 23, 2017

Updated: Feb 22, 2018

Lesson Plan

pdf, 3 MB


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