Law of Cosines

Name: Law of Cosines
Brand: KiwiBee
SKU: law-of-cosines-algebra-2
Availability: InStock

Free printable Algebra 2 math worksheet for "Law of Cosines" — practice laws of sines and cosines. No-prep, print or assign online.

This worksheet provides challenging problems focused on the Law of Cosines, ideal for Algebra 2 students mastering trigonometric relationships in triangles. Teachers can use this resource to reinforce understanding of triangle side and angle calculations beyond right triangles, enhancing problem-solving skills. It includes a variety of application-based questions to prepare students for advanced geometry and trigonometry concepts.

Math

Algebra 2

High School

Worksheets

Ages 14–18

hard

Learning objectives

Apply the Law of Cosines to find unknown sides of a triangle.
Use the Law of Cosines to calculate unknown angles in non-right triangles.
Solve real-world problems involving oblique triangles using the Law of Cosines.

Answer Key

How to use this worksheet

Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 downloads a month).
Print at home or in class for High School; it's no-prep, with no extra materials needed.
Use the included answer key to mark it in seconds.

Frequently asked questions

Is the “Law of Cosines” worksheet free?

Yes. “Law of Cosines” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.