Look up or down to find the answer.  A segment of an extensive playlist on geometry introduces angle of depression and elevation to find indirect measurements. Using trigonometric ratios, the presentation finds missing sides and angles in right triangles in real-life situations—a great connection for young mathematicians!

Concepts

trigonometric ratios, trigonometric word problems, trigonometry applications, angle of elevation, angle of depression, indirect measurement

Show More Show Less

Additional Tags

math

Show More Show Less

Instructional Ideas

• Lead a discussion on why angle of elevation and angle of depression are the same
• Review finding the angle measure using inverse trigonometric functions

Classroom Considerations

• Individuals need to know the trigonometric ratios

• This video is hosted on YouTube

Pros

• Provides a link to other word problem resources
• Shows the work required in the examples

Cons

• None

Common Core

HSG-SRT.C.8 MP5 MP6