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六年級後測

Authored by Sheng Hung

Mathematics

6th Grade

Used 4+ times

六年級後測
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20 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

以圓心為頂點,兩條半徑為邊,所圍成的角叫作什麼?

圓心角
周角
平角
直角

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

甲、乙兩個扇形,甲的圓心角是90度,乙的圓心角是60度,哪一個扇形的弧長比較長?

不一定
一樣長

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

同一個圓內,下面哪一個扇形的周長最大?

圓心角270∘的扇形
圓心角60∘的扇形
圓心角90∘的扇形
圓心角160∘的扇形

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

有一個圓心角120∘的扇形,周長該如何表示?

直徑×圓周率× 120/360 +半徑×2
直徑×圓周率× 120/360
半徑×圓周率× 120/360
半徑×圓周率× 120/360 +半徑×2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

一個 1/8 圓的扇形,圓心角是幾度?

45度
120度
90度
60度

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

將半徑10公分的圓對摺2次後, 1/4 圓的扇形周長大約是多少公分?

35.7公分
71.4公分
45.7公分
25.7公分

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

將半徑8公分的圓對摺3次後, 1/8 圓的扇形周長大約是多少公分? 

22.28公分
76.24公分
41.12公分
28.56公分

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