Area formulas

This is an improvised commentary on a short PowerPoint that I use in teaching. No script, and no special design on the slides. I follow this up with a worksheet with simple questions leading to composite shapes.

The second installment is about the area of circles and parts of circles. This presentation assumes knowledge of the circumference formula. Again no scripting and no special layout.

I’m not sure how useful these will be to students without a question sheet or hot potatoes quiz.

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