In this Early Edge video lesson, you'll learn more about Triangles, so you can be successful when you take on high-school Math & Geometry.
The Princeton Review
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Gives detailed explanations and examples for working with triangles, angles, and trigonometry.
The Math Page
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Explains how to use trig to find the area of a triangle when two sides and the included angle are known.
Dave's Short Trig Course
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