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六上數學-圓周長與扇形周長(基礎篇)

Authored by leo4955 Huang

Mathematics

6th Grade

Used 4+ times

六上數學-圓周長與扇形周長(基礎篇)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一個圓的圓周長最長?

直徑 4 公分
半徑 4 公分
直徑 5 公分
半徑 5 公分

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

下面圓形的周長大約是多少公分?

18.84 公分
37.68 公分
56.52 公分
75.36 公分

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

正三角形的周長和圓形的周長一樣,圓的直徑大約是多少公分?

37.5 公分
75 公分
150 公分
235.5 公分

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

在同一個圓內,下列哪一個扇形的弧長最長?

圓心角150度

圓心角120度

圓角80度

圓心角60度

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

米米用圓規在紙上畫了ㄅ、ㄆ、ㄇ三個圓,ㄅ的圓周長是 28 公分,ㄆ的圓周長是 22 公分,ㄇ的圓周長是 20 公分。哪一個圓的圓周率最大?

三個圓的圓周率都一樣大

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

乙輪胎的半徑是甲輪胎半徑的 2 倍,從家裡到學校,甲輪胎轉了 80 圈;一樣從家裡到學校,如果換成乙輪胎,會轉多少圈?

20 圈
40 圈
120 圈
160 圈

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

圓周長大約是直徑的幾倍?

2 倍
3 倍
3.14 倍
3.2 倍

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