在同一個圓中,圓心角越大的扇形,弧長越長。

扇形與弧長的問題

Quiz
•
Mathematics
•
6th Grade
•
Medium
林建豪 林建豪
Used 1+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
正確
錯誤
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以圓的兩條半徑及所夾的一段曲線圍成的圖形,稱為扇形;其中所夾的這段曲線長,稱為扇形的弧長。
正確
錯誤
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「扇形弧長:圓周長」的比值,和「扇形圓心角:周角」的比值一樣。
正確
錯誤
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
扇形在圓周上的其中一段曲線稱為扇形的弧,弧的長度叫作弧長。
正確
錯誤
5.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
正確
錯誤
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
圓心角相同的兩個扇形,不管半徑大小,兩個扇形所對應的弧長會一樣長。
正確
錯誤
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲扇形的圓心角是乙扇形的 2 倍,所以甲扇形的弧長也是乙扇形的 2 倍。
正確
錯誤
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