The formula is A= 4(pi)r*squared* 201.06
129,407 because 12 ten thousands is 120,000 and 8 thousands is 8,000. 14 hundreds is 1,400 and 7 ones is 7 so 120,000+8,000+1,400+7=129,407
It woukd be A yard because feet would work but u would take forever and so it would be the same with all the others