
初三下册:第7章 (Part 3)
Authored by 陈伟菁Tan, Ching
Mathematics
9th Grade
Used 8+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
已知 sinθ= , 求 cosθ 及 tanθ。
cosθ= ,tanθ=
cosθ= ,tanθ=
cosθ= ,tanθ=
cosθ= ,tanθ=
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
求图中 x 及 y 的值。
x=6,y=
x= ,y=6
x=24,y=
x= ,y=24
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图中 X 是 ________。
仰角
俯角
视角
共轭角
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
以上图中,AB=8cm,BC=10cm,∠B=30°,求∆ABC的面积。
10cm2
20cm2
25cm2
30cm2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
若cosθ=0.6,求图中x的值。
x=6
x=8
x=10
x=12
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