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4 years ago
From a regular hexagon ABCDEF with side a,A circular arc ABF is removed with A as a center and AB as radius.What is the perimeter of the remaining portion?
4 years ago
4 other remaining sides of the hexagon + (Length of the arc formed)
=4a + [(60/360)*2pie(a)]
=4a + [(1/6)*2pie(a)]