F.3 Maths (Urgent)

👨🏻‍🏫 學術台數學

2009-03-17 2:49 am

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2009-03-17 4:20 am

✔ 最佳答案

6) Let the height of B be h
(12/h)^3=17576/54872
gives h~17.5
9)
(r/15)^2=144/324
gives r=10

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