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This Basic Trigonometric Functions: Ladder Length interactive also includes:
Climb the ladder to trigonometry. The interactive introduces trigonometric ratios and finding lengths of sides of right triangles created by a ladder and a building. Learners use the interactive to create triangles by moving the top of the ladder and then calculate the distance the ladder is away from the building given the angles formed.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Have the class develop a graphic organizer to help remember the trig ratios
- Lead a discussion on when it is necessary to use the Pythagorean Theorem to find a side length
Classroom Considerations
- The class should be familiar with the sum of the angles of a triangle
- Requires a free account to access the interactive
Pros
- The interactive allows students to create right triangles
- Includes examples in the additional resources
Cons
- None