Answer: n = 6 a = 6 mm r = 5.19615 mm R = 6 mm A = 93.53 mm2 times $3 = $280.59 P = 36 mm x = 120 ° y = 60 °
r = inradius (apothem) R = circumradius a = side length n = number of sides x = interior angle y = exterior angle A = area P = perimeter π = pi = 3.14159... √ = square root
