9上相似形應用

Quiz
•
Mathematics
•
9th Grade
•
Hard
曾偉倫 曾偉倫
Used 10+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在30°-60°-90° 三角形中,三個邊長比為:
3 : 4 : 5
5 : 12 : 13
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在45°-45°-90° 三角形中,三個邊長比為:
3 : 4 : 5
5 : 12 : 13
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
角A的鄰邊長/斜邊長 =
sinA
cosA
tanA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
角A的對邊長/角A的鄰邊長 =
sinA
cosA
tanA
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
角A的對邊長/斜邊長 =
sinA
cosA
tanA
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sinA=
15/17
8/17
15/8
8/15
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cosA=
15/17
8/17
15/8
8/15
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