Marley spins a spinner and rose a1-6 number to the spinner has 5 equal parts numeral number 1- 5 what is the probability she will spend with an even number with each roll in our number

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *