HSII.5 Right Triangle Trigonometry (G4)

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=6d70e9c9cd0a2d6c9cd3590b3018e8babf8aa0647d8050f3287fc3c2fc922b89

Viewmongous

When you buy a bigger TV, how much more do you really get? Students use the Pythagorean Theorem and proportional reasoning to investigate the relationship between the diagonal length, aspect ratio, and screen area of a TV.

Topic: Geometry (G), Similarity, Right Triangles, and Trigonometry (SRT)

Middle Lesson

Aws4 request&x amz signedheaders=host&x amz signature=1ef601295d5eaf36046ee9323deaca2d40eebe342946bca01f6b807ca9259d58

51-Foot Ladder

How high can a ladder safely reach? Students combine the federal guideline for ladder safety with the Pythagorean Theorem (middle school) or trigonometric ratios (high school) to explore how high you can really climb.

Topic: Geometry (G), Similarity, Right Triangles, and Trigonometry (SRT)

End Lesson

Aws4 request&x amz signedheaders=host&x amz signature=661be084f76ff4aad04c6eddea5804ff3b93505c375446110001f60fa9b3b3a8

Sharper Image

Should you buy a camera lens with vibration reduction? Students interpret graphs and use right triangle trigonometry to explore the relationship between focal length, viewing angle, and blurriness.

Topic: Creating Equations (CED), Seeing Structure in Expressions (SSE), Similarity, Right Triangles, and Trigonometry (SRT)