The answer to your questions is 3.12
The answer is A, hope this helps :]
A = L * W
A / L = W <==
when A = 42 and W = 16.8
A / L = W
42/16.8 = W
2.5 = W <=== width = 2.5 inches
Answer:
It is the second choice.
Step-by-step explanation:
Divide both side by pi r squared. Boom.
N+2 would be the correct answer... i think!!!!!!!!!!!!
Hope i helped!!!!!!!!