a regular hexagon has a side length of 18, how do i find the apothem?

1 ANSWERS

1. Guest3336
   

   Let S be the side length and A the apothem.
   S = sqrt [ ( 4*A^2 ) / 3 ]
   S^2 = (4*A^2)/ 3
   3*S^2 = 4*A^2
   3*18^2 = 4*A^2
   A = sqrt [3*324]/4
   A = sqrt 243 = 15.58845726....

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