Agear on a bicycle has the shape of a circle. one gear has a diameter of 4 inches, and a smaller one has a diameter of 2 inches. justin says that the
circumference of the larger gear is 2 inches more than the circumference of the smaller gear. do you agree? explain your answer

yes

step-by-step explanation:

given :

larger gear has a diameter of 4 inches

smaller one has a diameter of 2 inches

to find : circumference of the larger gear is 2 inches more than the circumference of the smaller gear. do you agree?

solution :

diameter of larger gear is 4 inches

so, radius =

so, radius of larger gear =  

thus radius of larger gear is 2 inches

now, diameter of smaller gear is 2 inches

so, radius of smaller gear =  

thus radius of smaller gear is 1 inch

now formula of circumference of circle :

so,   circumference of larger gear =  

                                                        =  

circumference of smaller gear =  

                                                    =

hence   the circumference of larger gear is more than the circumference of the smaller gear.

its not b

step-by-step explanation:

more detail

step-by-step explanation: