books regular quadrilaterals
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# Quadrilaterals and quadrilaterals
# Quadrilaterals Model and Societies
# Quadrilaterals
# Twelve-sided regular
# Create a regular decathlon
# regular polygon
# regular in history
# The Regular by Ibn al-Jawzi
# Regular in the history of kings and nations
# Regular polyhedron
# regular probability function
# Regular watering of the plant
# Regular fertilization of plants
# regular shower
# Regular training
# Regular evaluation
# Regular Post
# regular novena
# Regular binary search
# regular xxx
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Source: wikipedia.org
الرباعي العشري المنتظم (Info)
قياس كل زاوية داخلية فيه تساوي .
تعطى مساحته بفرض طول الضلع a بالعلاقة:
بما أن 14 = 2 × 7، فإنه لا يمكن إنشاء رباعي عشري منتظم بإنشاءات الفرجار والمسطرة.
