Right Triangles - The Law of Cosines Notes and Practice

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Right Triangles - The Law of Cosines Notes and Practice

The Law of Cosines is used to find the missing sides and angles of acute and obtuse triangles in certain situations. This packet is designed to teach students how to solve problems given those situations.

In this packet you will find:

A set of teacher notes that:
**illustrate and label the parts of the Law of Cosines
**four solve for the missing side problems that are illustrated and completely worked out
**four solve for the missing angle problems that are illustrated and completely worked out
** two solve the entire triangle problems that are illustrated and completely worked out

A set of student notes that match the teacher notes without the work included so that they can follow along as the teacher goes through the lesson

An assignment that includes 4 solve for the missing side, 4 solve for the missing angle and 2 solve the entire triangle (with a completely illustrated and worked out answer key)

This file contains everything you need to teach a one or two day lesson on the Law of Cosines!!!
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If you are looking for other right Triangle resources please check out my:

Right Triangles Trig Bellwork/Exit Cards/Station Questions
Geometry Right Triangles Trig Bellwork Exit Cards Station Questions.

Vocabulary and Games
Geometry Right Triangles Trigonometry Square Roots BINGO Game.
Geometry Right Triangles Trigonometry Square Roots Vocabulary Matching Activity.

Classroom Notes with Assignments and Answer Keys:
30 60 90 Special Right Triangles Notes and Practice.
45 45 90 Special Right Triangles Notes and Practice.
Soh Cah Toa (Sin Cos Tan) Introduction To Trigonometry Notes and Practice.
The Pythagorean Theorem Notes and Practice.
Angles of Elevation and Depression Notes and Practices One and Two.
The Law of Sines Notes and Practice.

Converse of the Pythagorean Theorem Investigation Activity:
The Converse of The Pythagorean Theorem Investigation Activity.

Wall Posters for Display of Main Concepts:
Right Triangle Unit Vocabulary Cards and Posters.
Right Triangle Unit Vocabulary CCSS and I-Cans Wall Hangings.

Vocabulary Assignment and Puzzles
Right Triangle Unit Vocabulary Assignment and Puzzles.

Extra Practice Worksheets
Sin Cos and Tan Soh Cah Toa Trigonometry Riddle Practice Worksheet.
Geometry Pythagorean Theorem Riddle Worksheet.
Geometry Simplifying Square Roots Riddle Worksheet.
Geometry Special Right Triangles Practice Riddle Worksheet.
Geometry Angles of Elevation and Depression Riddle Practice Worksheet.

Graphic Organizers:
Right Triangles and Trigonometry Graphic Organizers.

Unit Review:
Right Triangles Unit Review.

Notecards
Geometry Right Triangles Trigonometry Square Roots Note Cards.

While each product can be purchased individually at the above links -- You can save 20% by buying the entire unit bundled together!!!

Right Triangles Complete Unit Bundle
Geometry Right Triangles Complete Unit Bundle.
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Total Pages
16
Included
Teaching Duration
90 Minutes

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