
2下 3-5 三角形的邊角關係
Authored by 康軒數位 康軒數位
Mathematics
8th Grade
Used 38+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在△ABC中,若 =5, =9,則 的長度不可能為下列何者?
4
5
6
7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知△ABC中,∠A的外角為98°,∠C為51°,則此△ABC的三邊長 、 、 的大小關係為何?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列敘述何者錯誤?
三角形中,小邊對小角,大邊對大角
三角形中,小角對小邊,大角對大邊
三角形中,等角對等邊,等邊對等角
任一個三角形,兩邊之和大於等於第三邊
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
△ABC中, =4, = , = ,則下列何者錯誤?
∠A為銳角
∠B為銳角
∠C為銳角
△ABC為直角三角形
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在△ABC中,若 =7公分, =5公分,則 必定大於a公分,小於b公分,求a-b=?
10
-10
12
-12
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
△ABC中,若 =5、 =7,則下列何者不可能是 的長度?
2
6
9
11
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若△ABC的三邊長為4公分、7公分、x公分,則x可能的整數值有幾個?
6
7
8
9
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