Respuesta :

bhavya2vemuri

Answer:

1386.4 in^2

Step-by-step explanation:

area of circle formula pi*r^2

where r=radius

radius also equals diameter over 2

so

42/2=21

radius is 21

so

pi*21^2=1385.44236023

Hope this helps!

jaquriuss26

Answer:

1386.4 in^2

Step-by-step explanation: