2007-2-25 01:09 AM
Ｋate;)
form two maths [ hand in 26/2 ]
請切換完整版來瀏覽圖片和連結
9. A metal cube with sides of 10cm each is melted and recast as 20 cylinders with the base radius of 1 cm . Find the height of the cylinder .
( correct your answer to 3 significant figures . )
plz help me >/\<
i need to [color=Red]hand in 26/2[/color] ..
2007-2-25 01:19 AM
maniii.
講明先唔一定岩-,-
第1題.
25 - 5^2*3.14*(1/4)
我計到 = 5.365
第2題.
100/(3.14*20)
我計到 = 1.5924
ps - {3.14}果度你用計數機計返全數會準d.
ps 2 - 計錯就對唔住啦XD
2007-2-25 03:25 PM
Ｋate;)
[quote]原帖由 [i]ikkky;)[/i] 於 25/2/2007 01:19 發表
講明先唔一定岩-,-
第1題.
25 - 5^2*3.14*(1/4)
我計到 = 5.365
第2題.
100/(3.14*20)
我計到 = 1.5924
ps - {3.14}果度你用計數機計返全數會準d.
ps 2 - 計錯就對唔住啦XD [/quote]
很 謝 羽 哦 >333<''