英文应用题求助1,you are athe manager for a shopping center.the center has a circular flower bed whose diameter is 12 meters.you want to lay mulch 15cm deep over how many cubic meters of mulch should you order?A 16B 17C 50D 283E 1700

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英文应用题求助1,you are athe manager for a shopping center.the center has a circular flower bed whose diameter is 12 meters.you want to lay mulch 15cm deep over how many cubic meters of mulch should you order?A 16B 17C 50D 283E 1700
英文应用题求助
1,you are athe manager for a shopping center.the center has a circular flower bed whose diameter is 12 meters.you want to lay mulch 15cm deep over how many cubic meters of mulch should you order?
A 16
B 17
C 50
D 283
E 1700

英文应用题求助1,you are athe manager for a shopping center.the center has a circular flower bed whose diameter is 12 meters.you want to lay mulch 15cm deep over how many cubic meters of mulch should you order?A 16B 17C 50D 283E 1700
答案是B,16.96立方米.
题目意思是,一个花环,直径12M,要堆覆盖物,覆盖物15CM深,计算总共需要多少立方米的覆盖物,公式:
(12/2)*3.14*0.15=16.96立方米