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# What is an interior angle ?
# What is an interior angle ?
# Is there any relationship between the number of sides and number of angles ?
# Is there any relationship between the number of sides and number of angles ?
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# what radius has been mentioned here as common for all ?
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# What radius has been mentioned here as common for all ?
# What is an apothem ?
# What is an apothem ?
# How do you get the central point of a polygon ?
# How do you get the central point of a polygon ?