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Math
Primary 5-6 (Ages 10-12)
MATH
Shared by Mei ges Chen
1 hour ago
18 Q
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Showing the first 5 of 18 questions — sign up free to adopt the full quiz and play it with your class.
1
判斷三條線段能否組成三角形的條件是甚麼?
A
三邊必須相等
B
三邊之和大於180度
C
任意兩邊之差大於第三邊
D
任意兩邊之和大於第三邊
2
以下哪一組線段長度可以組成一個三角形?
A
1 cm, 2 cm, 4 cm
B
3 cm, 4 cm, 5 cm
C
5 cm, 5 cm, 11 cm
D
2 cm, 3 cm, 6 cm
3
以下哪一組線段不能組成三角形?
A
5 cm, 6 cm, 7 cm
B
6 cm, 8 cm, 10 cm
C
4 cm, 5 cm, 9 cm
D
7 cm, 7 cm, 7 cm
4
小明說:「長度為 3 cm、4 cm 和 7 cm 的線段可以組成三角形。」他的說法對嗎?為甚麼?
A
對,因為 3 + 7 > 4
B
不對,因為 3 + 4 < 7
C
不對,因為 3 + 4 不大於 7
D
對,因為 3 + 4 = 7
5
一個等腰三角形的兩條等邊長度為 5 cm,第三條邊的長度可能是多少?
A
9 cm
B
11 cm
C
12 cm
D
10 cm
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