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 usu2oqy (0v .tn m2o*xfuic. jdz(ix-* lf2 vculf37x de;e7-lts ally sold curled up in cylindrical cardboard 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 odf l f3e(x 2cd- csj u;vet77lz.*-ixlf 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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