apothème angolul

apothem▼(perpendicular distance from the center of a circle to a chord)
noun
[UK: əpˈɒθəm] [US: əpˈɑːθəm]

apothem▼(the distance from the center of a polygon to a side)
noun
[UK: əpˈɒθəm] [US: əpˈɑːθəm]