
圓面積測驗
Authored by Chi Choy
Mathematics
5th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圓的面積公式是什麼?
2πr
πr³
2πr²
πr²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果一個圓的半徑是5厘米,那麼它的面積是多少?
78.5平方厘米
25平方厘米
40平方厘米
15平方厘米
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果一個圓的直徑是12米,那麼它的面積是多少?
56.52平方米
96平方米
24平方米
113.04平方米
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果一個圓的面積是50平方厘米,那麼它的半徑是多少?
2.34
7.81
3.99
5.67
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果一個圓的面積是314平方毫米,那麼它的直徑是多少?
25毫米
30毫米
15毫米
20毫米
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果一個圓的面積是200平方米,那麼它的半徑是多少?
15.24
3.5
10.12
7.98
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果一個圓的半徑是8厘米,那麼它的面積是多少?
150.72平方厘米
100.48平方厘米
300.24平方厘米
200.96平方厘米
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