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110.1.9.2-2習作

Authored by Jessica Ling

Mathematics

9th Grade

Used 4+ times

110.1.9.2-2習作
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7 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

已知圓 O 半徑是12 公分,圓上 A、B 兩點將圓分成優、劣兩弧,若兩弧的度數比為 5︰7,則圓心角∠AOB 所對的劣弧長度為多少?

10π

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

200

180

160

270

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

38

76

30

60

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

26度

52度

56度

28度

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

36度

38度

34度

40度

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

172度

168度

162度

170度

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

已知圓 O 半徑是 8 公分,圓上 A、B 兩點將圓分成優、劣兩弧,若兩弧的度數比為 5︰7,則劣弧所對的圓心角∠AOB 為多少度?

150

210

120

240

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