12/1/10

December 1st, 2010

LOG PROBLEM (Formula Work and Sketch!)
1) What is the length of the sides of square whose area is 49 cm^2?
Answer: l = 7 cm
2) What is the length of a rectangle whose area is 90 cm^2 and whose width is 5 cm?
Answer: l = 18 cm

HOMEWORK
Find the Area of the following squares:
1. s = 12.3 cm
2. s = 40 cm

Length of sides this square?
3. A = 10000 cm^2



http://www.cimt.plymouth.ac.uk/projects/mepres/book7/bk7i9/bk7_9i2.htm

http://www.cimt.plymouth.ac.uk/projects/mepres/book7/bk7i9/bk7_9i3.htm

http://www.cimt.plymouth.ac.uk/projects/mepres/book7/bk7i9/bk7_9i4.htm