Basic Trigonometry-Pythagorean Theorem and Right Triangles

This video has a note taking guide that goes along with it

Video Guide
0:17 Determine whether or not the following sets of numbers could represent a right triangle. If not, classify the triangle is acute or obtuse.
Use the Pythagorean Theorem to test.
If a2 + b2 = c2, then it is a right triangle.
If a2 + b2 less than c2, then it is an obtuse triangle
If a2 + b2 greater than c2, then it is an acute triangle
1:24 Works practice problems 12,13, and 14
4:47 Solves a trigonomtry word problem
A 50-meter radio tower must be braced with a cable that is tied 30 meters from its base. What is the length of the cable to the nearest meter?

If you need help in trigonometry I have put together a trigonometry unit. This is one video of the trigonometric unit that contains 14 videos, along with a note taking guide for each video, Click here for the table of contents:
http://www.moomoomath.com/trigonometry-problems.html

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https://www.youtube.com/watch?v=f3bsg8gaSbw
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