
202504-8AB-三角形的內外角與定理選擇題
Authored by Yao Jamie
Mathematics
8th Grade
Used 1+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
兩個角互為補角,則它們的和為多少度?
45°
90°
180°
360°
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若某三角形的一個外角為 120°,則與此外角相鄰的內角為多少度?
60°
90°
120°
180°
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
兩個角互為餘角,則它們的和為多少度?
30°
60°
90°
180°
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
三角形的外角等於哪兩個內角的總和?
兩個鄰角
兩個對角
兩個相等的角
內角和的一半
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在三角形中,若一個角為 70°,另一個角為 50°,則第三個角為?
40°
50°
60°
70°
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
一個三角形的外角為 130°,則與它對應的非鄰接內角總和為多少度?
50°
60°
70°
80°
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(圖片題) 右圖為 △ABC,其中 ∠A = 40°,∠B = 65°,則 ∠C 的外角為多少度?
75°
105°
115°
125°
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