3.3 Scale Factors

Sounds like Mr Mason had some great real world examples for this section with the model, and plans for the climbing wall.

A couple of things to note here.

Here is another site that might help you gain a better understanding of scale diagrams.

Try the practice page at the end.  It only has 3 questions.

3.2 Determining Similarity

As you learned in class, corresponding polygons are similar if the ratios of all corresponding sides are the same AND if corressponding angles are the same.

Check out the following examples to see how you might determine if to figures are similar.

Welcome grade 9's

Hello Grade 9's.  This is a site that I will use to post little videos that will add to what I am teaching in the class.  Please comment (respectfully!) and let me know if this helps you or not.