Pythagorean Theorem
The Pythagorean Theorem is one of the most recognizable formulas used in secondary mathematics. The formula itself states that in any right triangle, the square of one leg added to the square of another leg equals the square of the hypotenuse.
This formula was named after Pythagorus, an ancient philosopher who lived from ca. 570 to ca. 490 BCE. To learn more about him, visit: http://plato.stanford.edu/entries/pythagoras/
Here is a bit of history regarding the Pythagorean Theorem: http://jwilson.coe.uga.edu/. Did you notice when they discussed the Pythagorean Triplets? Those are good to memorize because you won't have to use the formula if you notice that the two sides given to you are part of a triplet.
Watch this video to see how to use the Pythagorean Theorem to find an unknown side:
This formula was named after Pythagorus, an ancient philosopher who lived from ca. 570 to ca. 490 BCE. To learn more about him, visit: http://plato.stanford.edu/entries/pythagoras/
Here is a bit of history regarding the Pythagorean Theorem: http://jwilson.coe.uga.edu/. Did you notice when they discussed the Pythagorean Triplets? Those are good to memorize because you won't have to use the formula if you notice that the two sides given to you are part of a triplet.
Watch this video to see how to use the Pythagorean Theorem to find an unknown side:
_If the video above is not working, you need to download the Adobe Flash player.
Next learn how we use the Pythagorean Theorem in the distance formula: http://ltcconline.net/greenl/courses/115/functionGraphLimit/graphs.htm
You will probably have to leave your answers in simplest radical form. If you need a review of how to do that, go here: http://www.upsd.wednet.edu/16142082912332893/
lib/16142082912332893/Simplist_Radical_Form.pdf
PRACTICE
Ready to try some problems? Make sure to check out the other pages of this website, it has a lot of good material: http://www.mathsnet.net/dynamic/pythagoras/problem01.html
ASSESS
Take this quiz: http://www.worsleyschool.net/science/files
/pythagoras/pythagoreantheorem3.html
Next learn how we use the Pythagorean Theorem in the distance formula: http://ltcconline.net/greenl/courses/115/functionGraphLimit/graphs.htm
You will probably have to leave your answers in simplest radical form. If you need a review of how to do that, go here: http://www.upsd.wednet.edu/16142082912332893/
lib/16142082912332893/Simplist_Radical_Form.pdf
PRACTICE
Ready to try some problems? Make sure to check out the other pages of this website, it has a lot of good material: http://www.mathsnet.net/dynamic/pythagoras/problem01.html
ASSESS
Take this quiz: http://www.worsleyschool.net/science/files
/pythagoras/pythagoreantheorem3.html