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 sold curled up in cylindri*humxq0ht 9x d3:jqw m0b5c* ccal card6i 5y. eaj*fv1sg gt7e/n2ut mboard tubes. If the length of the tube is 84.5 cm, and the diameter of the tube is 2.40 cm, what is the area ofm7 .g2tjg 1vteeu* /isy6naf5 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:
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