
Kiểm tra tính diện tích hình tròn
Quiz
•
Others
•
9th Grade
•
Practice Problem
•
Hard
Dẫn Ma Thị
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diện tích của hình tròn có bán kính 5cm là bao nhiêu?
78.5 cm²
31.4 cm²
50 cm²
100 cm²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính diện tích hình tròn có đường kính 10cm.
20π cm²
15π cm²
30π cm²
25π cm²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu bán kính hình tròn là 7cm, diện tích của nó là gì?
160.00cm²
150.00cm²
154.00cm²
153.94cm²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một hình tròn có diện tích 78.5cm², bán kính của nó là bao nhiêu?
5 cm
3 cm
7 cm
10 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính diện tích hình tròn có bán kính 3.5m.
12.56 m²
28.27 m²
50.24 m²
38.48 m²
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diện tích hình tròn có bán kính 12cm là bao nhiêu?
452.39 m²
314.16 cm²
376.99 cm²
452.39 cm²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu diện tích hình tròn là 50.24cm², bán kính của nó là gì?
4 cm
6 cm
3 cm
5 cm
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