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五下數學 扇形

Authored by 君潔 施

Mathematics

5th Grade

Used 4+ times

五下數學 扇形
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一個扇形的組成要素中,包含幾條半徑?

1

2

3

不一定

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在一個圓上,畫出兩條半徑,會有幾個扇形?

0

1

2

3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一個周角是幾度?

180度

60度

90度

360度

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以圓心為頂點,兩條半徑為邊所形成的角,叫作什麼?

周角

平角

圓心角

直角

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一個 \frac{1}{8}  圓的扇形,圓心角是多少度?

120度

90

60

45

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將一個圓對摺三次後,所得的扇形是幾分之幾圓?

15\frac{1}{5}

110\frac{1}{10}

18\frac{1}{8}

116\frac{1}{16}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

圓心角60度的扇形,也可說是幾分之幾圓?

13\frac{1}{3}圓

14\frac{1}{4}圓

15\frac{1}{5}圓

16\frac{1}{6}圓

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