2B11 面積和體積(2) (Q)
Authored by YT Tsang
Mathematics
8th Grade
Used 6+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求圓周。(答案以 π 表示)
Answer explanation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求圓面積。(答案以 π 表示)
Answer explanation
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求圓面積。(答案以 π 表示)
Answer explanation
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求圓周。(答案以 π 表示)
Answer explanation
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求圓周為 36π cm 的圓的半徑。
18 cm
6 cm
3 cm
9 cm
Answer explanation
圓周 = 36π
2rπ = 36π
r = 18
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求圓面積為 144π cm2 的圓的半徑。
12 cm
72 cm
42 cm
32 cm
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
求半圓的周界。(答案以 π 表示)
Answer explanation
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