Wednesday, March 4, 2015

7th Grade - Composite Plane Figures

Today we looked at non-standard polygons, or composite plane figures. There are many shapes around us that are formed by joining two or more basic geometric shapes. Their perimeters and areas can be found by applying the formulas for the basic shapes.

To remind you of the formulas we have discussed over the last couple of weeks: 
 

Homework: Exercise 12.5 (page 82) # 1 (all)
Want more practice? Try # 2 and 3

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