本题目来源于试卷: Physics Unit1: Introduction Measurement & Estimating，类别为 通用国际物理
[单选题]
Wall posters are usually +1r17oivea,jupcb6t 7 2r a nbsold curled up in cylindrical cardboard) 8qlhqk:pa mx +sd5u4 tubes. If the length of the tube is 84.5 csuqd45p:qkahx l )+8mm, and the diameter of the tube is 2.40 cm, what is the area of the poster, in $cm^{2}$? (Assume the poster doesn't overlap itself.)
A. $382 \; cm^{2}$
B. $382.3 \; cm^{2}$
C. $637 \; cm^{2}$
D. $637.1 \; cm^{2}$
E. $203 \; cm^{2}$
F. $202.8 \; cm^{2}$
参考答案: C
本题详细解析:
暂无
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