Step-by-step explanation:
I would go with a or b but one sec let me work it out
C=2πr
r=C/(2π), now the surface area is:
A=4πr^2, using r found above we have:
A=4πC^2/(4π^2)
A=C^2/π, we are given that C=28 so:
A=28^2/π in^2
A=784/π in^2
A≈250 in^2 (to nearest square inch)
Answer:
72
Step-by-step explanation:
Answer:
Which one do you need the answer for
Step-by-step explanation:
Answer:
Geometric mean: 6.8399037867068
Step-by-step explanation: