Students will practice solving triangles for all missing side and angle measures using the Law of Sines, the Law of Cosines, and the Triangle Sum Theorem in this “Mystery Code Activity”. In total, there are 10 triangles to solve. This includes a mix of both diagrams and descriptions of the triangle.
Students first solve the triangles on the cards. They can do this on their own notebook paper, or there is an option for a student worksheet instead of the cards.
Side and angle measures are described on the Mystery Code sheet. Students choose the triangle that matches the description. Once they identify the measures, there are directions at the bottom of the page to reveal the code. They can check this code with you.
Implementation Idea: Divide your class into two teams. Team A solves the even-numbered triangles and Team B solves the odd-numbered triangles. Then distribute the Mystery Code Activity sheet and see if they can break free as a class!
This resource is included in the following bundle(s):
Geometry Curriculum with Activities
Geometry Activities Bundle
License Terms:
This purchase includes a single non-transferable license, meaning it is for one teacher only for personal use in their classroom and can not be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses. A transferable license is not available for this resource.
Copyright Terms:
No part of this resource may be uploaded to the internet in any form, including classroom/personal websites or network drives, unless the site is password protected and can only be accessed by students.
