¿Cual es el perímetro de un heptágono, si cada lado mide 189 cm? ¿Cual es el perímetro de un eneagono, si cada lado mide 6.9 cm?
¿Cual es el perímetro de un dodecagono, si cada lado mide 456 cm?

4. jake needs to score in the top 10% in order to earn a physical fitness certificate. the class mean is 78 and the standard deviation is 5.5. what raw score does he need? z value for top 10% =1.282 how do i get the z value? what is the equation for this? raw score =mean+z*sd = 78+1.282*5.5 = 85.051