• perimeter ⪢⪢
The perimeter is the distance around the edge of _____ triangle. #math
http://qindex.info/i.php?x=18161

• 10 Calculating the Perimeter of Polygons
Calculating the Perimeter of Polygons
http://qindex.info/i.php?x=5010

• 07 Perimeter
Math Antics - Perimeter
http://qindex.info/i.php?x=5158

• The Basic Naming of a Circle
center, radius, diameter, chord, arc, sector, segment, circumference, perimeter, secant, subtended #listening
http://qindex.info/i.php?x=32638

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