Question 1
1 mark一個立體圖形有一個三角形的底面，側面由三個三角形組成，並匯聚到一個頂點。這個圖形是什麼？
Primary School · Mathematics
3-D shapes (Prisms, cylinders, pyramids, cones and spheres): Practice Questions
5 multiple-choice questions marked as you go, and 3 written questions with worked solutions. All on 3-D shapes (Prisms, cylinders, pyramids, cones and spheres).
8 questions12 marksFree, no account
Question 2
1 mark一個立體圖形有 8 個頂點和 6 個面，且每個面都是四邊形。這個圖形最可能是什麼？
Question 3
1 mark有一個立體圖形具有以下特徵：
(1) 它的底面是一個正方形。
(2) 所有的側面都是三角形，且匯聚於同一個頂點。
(3) 如果我們用一個平行於底面的平面對它進行橫切（截面），得到的截面形狀也是一個正方形。
請問這個立體圖形的頂點（V）、面（F）和稜（E）的數量分別是多少？
Question 4
1 mark關於球體的特徵，下列哪一項描述是正確的？
Question 5
1 mark如果用一個平行於底面的平面去截一個四角錐，所得到的截面形狀是什麼？
Question 6
2 marks一個圓柱有兩個底面和一個側面。請問它的兩個底面是什麼形狀？
Write your answer out first, then check it against the worked solution.
Question 7
3 marks小明有一個立體圖形，它的底面是一個圓形，側面是一個曲面，且只有一個頂點。請問這個立體圖形的名稱是什麼？
Write your answer out first, then check it against the worked solution.
Question 8
2 marks關於球體的特徵，下列哪項描述是正確的？
(a) 它有一個尖頂
(b) 它有一個平坦的底面
(c) 從任何方向看，它的投影都是圓形
Write your answer out first, then check it against the worked solution.
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