We went over homework before going through the last section in chapter 12 today. Today's lesson dealt with similar objects and the area and volume ratios between various shapes. The key concept was to find the scale factor first and then square it to get the area ratio or cube it to get the volume ratio.
We went through 3-4 problems together before getting started with the assignment.
Assignment: section 12-5; page 511-512; WE 1-15 all; 17-21 all
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