HSII.5 Right Triangle Trigonometry (G4)

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=c5a669ba007756a98a0211285c7dc6320ec2ed16b49c793984e7bdf352e58596

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=b7f3b4ffb1f372dc2d298947f854b0c665d43844866c5d9653d5088eb66a1417

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=8bc72cfcd0c0d6b32938a3f6ee2ff1d652514ff7983b390cc3de6a2114a2f890

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)