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Head First 2D Geometry by Dawn Griffiths, Stray

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Remember this f
rom
Chapter 4?
quadrilaterals
The lawns need edging, too
Of course! When you mow lawns for Edward, you have to use an
edger to trim where the grass ends, around the outside of each
lawn.
The edge of the lawn is the lawn’s perimeter.
Calculate the perimeters of the two lawns. How does this account
for the difference in time spent on each lawn? What do you think
Edward should do?
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