辨識下列哪個三角形是等腰三角形? A. 三邊長度分別為3、4、5 B. 三邊長度分別為2、2、3 C. 三邊長度分別為4、4、4

三角形邊長關係

Quiz
•
Mathematics
•
6th - 8th Grade
•
Hard
哈拿 王
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
A
B
C
Answer explanation
辨識三邊長度相同的三角形是等腰三角形,因此選擇C作為正確答案。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算三角形的周長: 三角形的三邊長度分別為5、12、13
20
25
30
35
Answer explanation
Please provide a detailed explanation of your answer here.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
辨識下列哪個三角形是等腰三角形? A. 三邊長度分別為6、8、10 B. 三邊長度分別為3、3、4 C. 三邊長度分別為7、7、7
B
D
A
C
Answer explanation
辨識等腰三角形需找出三邊長相等的選項,選項C的三邊長度分別為7、7、7,符合等腰三角形的特徵,因此選項C是正確答案。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算三角形的周長: 三角形的三邊長度分別為9、10、11
28
30
27
32
Answer explanation
To calculate the perimeter of a triangle, add the lengths of all three sides. In this case, 9 + 10 + 11 = 30. Therefore, the correct answer is 30.
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
辨識下列哪個三角形是等腰三角形? A. 三邊長度分別為5、5、6 B. 三邊長度分別為4、5、6 C. 三邊長度分別為8、8、8
A
B
C
C
Answer explanation
辨識下列哪個三角形是等腰三角形?三邊長度分別為8、8、8,因此選擇C。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
辨識下列哪個三角形是等腰三角形? A. 三邊長度分別為5、5、6 B. 三邊長度分別為3、4、5 C. 三邊長度分別為6、8、10
A
B
C
D
Answer explanation
辨識三角形是否等腰,需檢查兩邊是否相等。選項B的三邊長度為3、4、5,符合等腰三角形定義,因此選項B是正確答案。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算三角形的周長: 三角形的三邊長度分別為8、15、17
40
45
38
50
Answer explanation
To calculate the perimeter of a triangle, add the lengths of all three sides: 8 + 15 + 17 = 40. Therefore, the correct answer is 40.
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