Answer :
803.84 is the answer. The formula is 4×3.14×r(sqaured) and I'm assuming by axis you were talking about the diameter so 16÷2=8 so 8 is the radius. 8×8=64. 64×4=256. 256×3.14=803.84
803.84 is the answer. The formula is 4×3.14×r(sqaured) and I'm assuming by axis you were talking about the diameter so 16÷2=8 so 8 is the radius. 8×8=64. 64×4=256. 256×3.14=803.84