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lesson 32
1 hour

Using Trigonometry to Find Side Lengths of an Acute Triangle


Description

In Lesson 32, students learn how to determine unknown lengths in acute triangles. Once again, they drop an altitude in the given triangle to create right triangles and use trigonometric ratios and the Pythagorean theorem to solve triangle problems (G-SRT.C.8). This lesson and the next introduce the law of sines and cosines (G-SRT.D.10 and G-SRT.D.11).

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Credits

From EngageNY.org of the New York State Education Department. Geometry Module 2, Topic E, Lesson 32. Available from engageny.org/resource/geometry-module-2-topic-e-lesson-32; accessed 2015-05-29.
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