在30°-60°-90° 三角形中,三個邊長比為:
4-1直角三角形的邊角關係

Quiz
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Mathematics
•
9th Grade
•
Medium
Hs MmJr
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
3 : 4 : 5
5 : 12 : 13
2.
MULTIPLE CHOICE QUESTION
5 mins • 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
5 mins • 1 pt
三角函數的英文是?
Three Leg and Tree
Triange Tree
Triangle Function
Trigeometry Function
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
7.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
sinA =
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