Answer:
12
Step-by-step explanation:
12 times 12 is 144
Hope this helps
40 in^2 because you add all sides that would match to the side and multiply by 2
Step-by-step explanation:
always begin any problem by writing what you know
circumference is
u = 2 pi r
1)
u=3.14
r=?
3.14 = 2 pi r
Solve for r
the rest of the problems you just plug the numbers into the formula