We found 43 resources with the concept law of cosines
“The *Distance* Less TraveledLesson Planet
11th - 12th CCSS: Adaptable
Use geometry to find your way from point A to point B! Learners work to build the Law of Cosines using a conceptual exercise. They use their knowledge of Law of Sines and a map triangulation activity to write their own equations for the...
Sine or Cosine Rule?Lesson Planet
3 mins 9th - 12th CCSS: Adaptable
Explore triangle problems that require the Law of Sine or Law of Cosine. A straightforward lesson focuses on deciding when to use each law. The instructor presents several triangles for pupils to consider and describes patterns in the...
Distance Between Two Polar Coordinates: Exploring Changes in Angle and RadiusLesson Planet
10th - 12th CCSS: Adaptable
Get straight answers on a curved grid. An interactive has learners apply the Law of Cosines to find the distance between two points on the polar coordinate plane. The pupils use the radii lengths and the angle between the two radii to...
Determination of Unknown Triangle Measures Given Area: Jib SheetsLesson Planet
10th - 12th CCSS: Designed
Solving triangles is a breeze. Young boat enthusiasts solve problems involving triangles in the context of sails on a boat. They must apply different strategies, including the Law of Cosines and area formulas.
Putting the Law of Cosines and the Law of Sines to UseEngageNY
11th - 12th CCSS: Designed
Use the Law of Cosines and the Law of Sines to solve problems using the sums of vectors. Pupils work on several different types of real-world problems that can be modeled using triangles with three known measurements. In the process,...
Module 5: Modeling with GeometryLesson Planet
9th - 12th CCSS: Designed
Solids come in many shapes and sizes. Using geometry, scholars create two-dimensional cross-sections of various three-dimensional objects. They develop the lesson further by finding the volume of solids. The module then shifts to finding...
Let's Go On Vacation!Lesson Planet
9th - 12th CCSS: Adaptable
You can cover some ground traveling from point A to point B to point C. Learners apply trigonometry to give values to the ground you cover. They choose three locations and create a map. Using the Law of Sines, Law of Cosines, and Heron's...
Applying the Laws of Sines and CosinesEngageNY
9th - 10th CCSS: Designed
Breaking the law in math doesn't get you jail time, but it does get you a wrong answer! After developing the Law of Sines and Cosines in lesson 33 of 36, the resource asks learners to apply the laws to different situations. Pupils must...
Authentic Activities for Connecting Mathematics to the Real WorldLesson Planet
6th - 12th CCSS: Adaptable
Check out the handout from a presentation that contains a collection of high school algebra projects connecting a variety of mathematics to the real world. Activities range from simple probabilities to calculus. The activities can be...
Sine and Cosine Rules and Area of TrianglesLesson Planet
9th - 12th
Learners discover how to find missing sides and angles using trigonometry. Scholars first watch a video covering the Law of Sines and Cosines, as well as the area formula for a triangle. To test their knowledge, they complete a worksheet...