南一國小數學5下ch4-2

南一國小數學5下ch4-2

5th Grade

10 Qs

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南一國小數學5下ch4-2

南一國小數學5下ch4-2

Assessment

Quiz

Mathematics

5th Grade

Practice Problem

Medium

Created by

數學 南一

Used 44+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以圓心為頂點,兩條半徑為邊,所圍成的角叫作什麼?

周角

平角

圓心角

直角

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一個圓形可以平均分割成5個圓心角為幾度的扇形?

60°

90°

120°

72°

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在同一個圓中,圓心角越大所形成的扇形就會如何?

越大

越小

一樣大

不一定

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將一個圓分成4個扇形,已知一個扇形的圓心角是平角,另外兩個扇形的圓心角皆為35°,剩下的扇形是多少度?

100°

110°

120°

130°

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一個周角可以畫分為幾個直角?

3

4

5

6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將一個圓剪下圓心角160°的扇形後,剩下的扇形部分圓心角是幾度?

360°

200°

160°

20°

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

下圖塗色部分的圓心角是幾度?

30度

60度

120度

240度

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