BASIC CONSTRUCTIONS AND SOLVING UNKNOWN ANGLES!!

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Triangle Proofs

Right Triangle Trigonometry

First, Constructions!

Now, Solving Unkown Angles!

What common issues do students have when learning this topic, what strategies/analogies have you learned that could be used to understand this topic better, how does this topic relate to the world outside of school?

Some common issues that students have is that students tend to write the wrong scale factor, leading them to a wrong answer. A good strategy to remember is to not really look at the diagram. All you have to do is look at the triangle name and create scale factors from that. This topic can be used to find unknown angles in every day objects. It is a great way to pass time.