求梯形的體積???
2007-02-25 15:55:48 · 11 個解答 · 發問者 wing sum 2 in 科學 ➔ 數學
我諗你係話梯形柱體體積:
先求底面積: (上底+下底 ) x 底高 x 1/2
梯形柱體體積: 底面積 x 柱體高
2007-02-25 16:11:34 · answer #1 · answered by Oscar 5 · 0⤊ 0⤋
[(上底+下底)x高]÷2
1cm
---------- |1cm
/----------\ |
2cm
(1+2)x1/2
=3x1/2
=3/2
=1.5(cm2)
understand?
2007-02-26 08:44:35 · answer #2 · answered by ken080995 3 · 0⤊ 0⤋
[(upper base)+(lower base)]x height
-----------------------------------------------------
2
2007-02-26 08:27:32 · answer #3 · answered by 邁陂塘 2 · 0⤊ 0⤋
(上底+下底)x高÷2x高
2007-02-25 18:25:34 · answer #4 · answered by sinyi 2 · 0⤊ 0⤋
(上底+下底)x高
------------------------
2
2007-02-25 16:12:13 · answer #5 · answered by ? 3 · 0⤊ 0⤋
梯形 :
(上底 +下底)x高/2
2007-02-25 16:08:33 · answer #6 · answered by 駱德頤 1 · 0⤊ 0⤋
(上底+下底)x高/2
2007-02-25 16:02:26 · answer #7 · answered by 穎謙 2 · 0⤊ 0⤋
梯形是一個平面的圖形，只有面積，沒有體積。
面積=(上底+下底)X高/2
2007-02-25 16:01:02 · answer #8 · answered by ? 7 · 0⤊ 0⤋
面積乘高
面積：上底加下底乘高(面積的高)除二
2007-02-25 16:00:42 · answer #9 · answered by ? 6 · 0⤊ 0⤋
[(上底+下底)x高]÷2
2007-02-25 15:59:16 · answer #10 · answered by pingsuet2003 6 · 0⤊ 0⤋