如圖,兩直線相交形成∠1、∠2、∠3、∠4,
則下列敘述何者錯誤?

111暑假學習扶助八年級ch3測驗

Quiz
•
Mathematics
•
Professional Development
•
Hard
江佳珍 新湖國中
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
∠1=∠3
∠2=∠4
∠3 與∠2 互補
∠3 與∠4 互餘
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
兩直線相交如圖,若∠2=145°,
則∠1+∠3= 度。
30度
60度
70度
35度
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一組角度可以是三角形的三個外角度數?
(A) 30°、60°、90°
(B) 60°、60°、60°
(C) 90°、90°、180°
(D) 120°、120°、120°
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一組角度可以是三角形的三個內角度數?
(A) 30°、60°、100°
(B) 45°、45°、91°
(C) 0°、90°、90°
(D) 50°、60°、70°
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
正八邊形的外角和為 度。
90度
360度
180度
270度
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
浩南週末去登山,途中發現自己所在位置 ( P點 ) 的四周竟是
呈星形的草坪,如圖,則∠A+∠B+∠C+∠D+∠E=
_____度
180度
90度
360度
45度
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在△ABC中,已知∠C=30°,且∠A:∠B=2:1,則下列敘述何者正確?
最大內角為90°
最小內角為36°
△ABC為銳角三角形
△ABC為鈍角三角形
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