
南一國小數學6上ch6-2 扇形的弧長和面積
Authored by 數學 南一
Mathematics
6th Grade
Used 45+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圓心角60度的扇形,是相同直徑的圓面積的幾倍?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果下面扇形的半徑都相同,哪一個扇形的面積最大?
圓心角144度的扇形
圓心角120度的扇形
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在同一個圓形內,圓心角45度所圍成的扇形面積是圓心角180度所圍成扇形面積的幾倍?
2倍
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圓心角36度、半徑10公尺的扇形,面積大約是多少平方公尺?
314平方公尺
31.4平方公尺
3.14平方公尺
113.04平方公尺
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有一個扇形的面積約100.48平方公尺,已知半徑是16公尺,圓心角是幾度?
45度
60度
90度
120度
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