
3-5三角形邊角關係
Authored by t078 t078
Mathematics
8th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有長4公分、9公分的兩線段,則下列甲、乙的敘述何者正確?
甲:若另有一長4公分的線段,則此三線段可構成等腰三角形
乙:若另有一長9公分的線段,則此三線段可構成等腰三角形
甲正確,乙錯誤
甲錯誤,乙正確
兩人皆正確
兩人皆錯誤
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
△ABC中, =5, =8,則 不可能為下列何者?
2
5
8
11
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
△ABC中,若 < ,且D為 上異於B、C的任一點,則下列何者必定正確?
<
>
<
>
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列有幾組長度可以圍成一個三角形?
(1) 7公分、7公分、9公分
(2) 2.3公分、1公分、1公分
(3) 4公分、5公分、6公分
(4) 5公分、3公分、8公分
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如右圖, =4, =6, =5, =8,
則 的範圍為何?
4< <9
3< <11
4< <10
3< <10
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
已知x+2、7、2x為三角形的三邊長,且x為整數,下列哪些數是x可能的解。
1
3
5
7
9
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
若三角形中,任兩內角之和大於第三內角,則此三角形必為哪一種三角形?
銳角三角形
直角三角形
鈍角三角形
以上皆有可能
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