19. in order for a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. what size buttonhole is needed for a button with a circumference of 9.42 centimeters? a. 3 centimeters b. 1.5 centimeters c. 4 centimeters d. 6 centimeters

The size of the buttonhole should be 3 cm.

Step-by-step explanation:

The circumference is given by = where r is the radius of the circle.

Given is -

The circumference is given as = 9.42 cm

We can put this value in the formula and get;

=>

=>

r = 1.5 cm

As given that the hole needs to be the size of the button's diameter.

So, diameter = cm

Therefore, the answer is 3 cm.

the answer is c. 23/3

is should be y = 5x

step-by-step explanation:

correct me if im wrong