digging dirt

how much dirt is in a round hole that is 9 feet deep with a diameter of 3 feet?

這是我的一個觀光英文的作業

只是本人數學不好

需要各位的幫忙

Update:

翻譯就是勒

有多少泥土在一個直徑三英尺,深有九英尺的圓洞裡面?

這真的很緊急

1 Answer

Rating
  • 必可
    Lv 5
    1 decade ago
    Favorite Answer

    how much dirt is in a round hole that is 9 feet deep with a diameter of 3 feet?

    (1)3 feet=3*0.305=0.915meter

    (2)9 feet deep =9*0.305=2.745

    Volume=(0.915/2)*(0.915/2)*π*2.745=1.805 (M^3,立方米)

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