What is the approximate height of the hat?
2.93 centimeters, because height = Square root of the difference of 16 and 7.4
4.84 centimeters, because height = Square root of the sum of 16 and 7.4
17.63 centimeters, because height = Square root of the sum of the squares of 16 and 7.4
14.19 centimeters, because height = Square root of the difference of squares of 16 and 7.4
