當圓的直徑變成原來的4倍時,圓周長會變成原來的多少倍?

期末考之爬數學山

Quiz
•
Mathematics
•
6th Grade
•
Medium
黃郁宸 黃郁宸
Used 1+ times
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30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
不變
2倍
4倍
16倍
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
大圓的面積是小圓面積的16倍,則大圓的周長是小圓周長的幾倍?
16倍
4倍
8倍
2倍
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
甲圓的半徑等於乙圓的直徑,甲圓的面積是乙圓面積的幾倍?
2倍
4倍
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
將一個圓連續對折4次,其中一等分的面積,是原來圓面積的幾倍?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
甲圓周長是乙圓周長的2倍,請問甲圓面積是乙圓面積的幾倍?
16倍
8倍
4倍
2倍
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
圖中的比例尺用比或比值可以表示成多少?
1:2400000
1:6000
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
永安國小的面積,在下列哪一個比例尺的地圖中最小?
1:1200
1:300000
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