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角柱與圓柱小測驗

Authored by 陳沛儒 陳沛儒

Mathematics

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角柱與圓柱小測驗
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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如圖是一個正方體置放在一個灰色平面上,則下列敘述何者錯誤

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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圖(一)的直角柱由 2 個正三角形底面和 3 個矩形側面組成,其中正三角形面積為 a,矩形面積為 b。若將 4 個圖(一)的直角柱緊密堆疊成圖(二)的直角柱,則圖(二)中直角柱的表面積為何?【108.會考】

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

一圓柱體底圓半徑為 5cm,高為 10cm,則其表面積為多少 cm2

Answer explanation

5×5×π×2+2×5×π×10=50π+100π=150π(cm2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

甲、乙兩圓柱體的底面半徑分別為 12 公分、3 公分,在柱高相同的情形下,甲柱體的體積是乙柱體體積的多少倍?

4

8

16

36

Answer explanation

(12*12)/(3*3)=16

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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如圖,此圓柱體的體積是多少立方單位?

Answer explanation

底面圓半徑=12π÷2π=6

體積=62π×8=288π(立方單位)

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

有一個體積為 512 立方公分的正方體,求此正方體的表面積為多少平方公分?〔93.基測Ⅰ〕

144

192

256

384

Answer explanation

設邊長為x公分,則

512=x3x=8

正方體表面積=6×82=384(平方公分)

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列各圖皆由相同大小的正方形所構成,請問下列哪一個選項是正方體的展開圖?〔90.基測Ⅱ〕

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