Monday, November 15, 2010

Hazel's Pythagorean Relationship Scribe Post

Key Ideas

The Pythagorean relationship can be used to determine the length of the hypotenuse of a right triangle when the lengths of two legs are known.

The Pythagorean relationship can be used to determine the leg length of a right triangle when the lengths of the hypotenuse and the other leg are known.

1. Jack must determine the missing side of a triangle. He decides to draw it and then measure it,as shown. Do you agree with the method that Jack is using? Explain.

Answer: No, I don't agree with the method that Jack is using because it would take too much work. It would be easier if he just used the formula: a²+b²=c² then √c²=c (hypotenuse).

2. Kira calculated the missing side length of the right triangle.
Is Kira correct? If she is correct, explain how you know. If she is incorrect, explain the correct method.
Answer: Kira is incorrect. She should've used the formula b²=c²-a² or in this case, y²=x²-w².

3.Determine the length of the hypotenuse.

4.What is the length of each hypotenuse? Give your answer to the nearest tenth of a centimetre.

Here is a
link to the textbook website.
Here is a
link to a pythagoras website.


  1. Great job Hazel. Your post was very detailed in telling us the answer and how to find the answer as well. You also included links, a video, and a few images, which were all very helpful to understand the post. One mistake, though. The textbook said to find the length of the hypotenuse to the nearest TENTH of a centimetre, not to the nearest hundredth (for question 4). Not that it really matters. That is all.

  2. Great job Hazel! I think your post is nice and organized and its very easy to understand! I like how you used color in your images and also how you highlighted the important words. Good job on finding a video and a link! Anyways, Awesome job.

  3. Nice Job Hazel. Your post is really colorful, I like that it cathes my attention. I also like how you explained everything. You highlighted important words, your pictures are awesome, the links and the video is really good. Great job, keep up the awesome work. :)

  4. Great job Hazel! I really like how you're pictures were very colorful and creative. I like how you explained the answers very clearly because it makes it easier to know how you got the answer. Its great how you colored important keywords and numbers. I found your post a little bit confusing because the pictures are on different sides and so then I didn't know where to look. I liked how you remember to put a video, and it was really helpful! I liked how you put TWO links, I should do that sometime. Anyways, awesome job! (: