Blog Post for March 2, 2010

Tuesday, March 2, 2010

Hey guys what we did is we answered numbers 11, 14 and 15 on our Textbook chapter 4.4. If you don't have your Textbook, click HERE(http://ebook.mytextbook.ca/index.php).
Username is spmathgr9+(your textbook number)@gmail.com. I'm sure you know the password.

Here are the answers:
11. Each side is 12cm long.
14. The scale factor is 7.5
15. The new tank will hold 770 liters of water.

Our assignment is to answer Chapter 4 review and study for our test.
I will give you the answers for #1 to #4 in chapter review.

1. A POLYGON is a closed figure with sides that are line segments.
2. SIMILAR figures have equal corresponding angles and proportional corresponding side lengths.
3. The SCALE FACTOR is the constant amount my which any dimension of a shape is enlarged or reduced.
4. A PROPORTION is a statement that says two ratios are equal.