GEO.4 Right Triangle Trigonometry

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=a49975a18e6e25f38ed84bcd5611c9aa04b661ecf15fc44a8f9dd7e1fc866a77

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=ea31795b4899701f62418d31b132268415bfa9369e3e40b962d2d412a0e0db79

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=d45e86c3d39a4a25cfb7ff1c97289a1b92f668612bbb7dd946fd0ffba7e79b3b

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)