
初三下册:第8章 (Part 3)
Authored by 陈伟菁Tan, Ching
Mathematics
9th Grade
Used 24+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
图中,TA为圆的切线、A为切点,∠COB为50°,求∠TAC的值。
65°
55°
45°
35°
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
求 x 及 y 的值。
x=35° , y=55°
x=55° , y=35°
x=45° , y=45°
x=25° , y=65°
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
求 x 及 y 的值。
x=70° , y=60°
x=60° , y=70°
x=50° , y=80°
x=80° , y=50°
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
图中,PT切圆于T,PBO为直线。求∠BPT的值。
36°
54°
72°
108°
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
图中,PQR、ROT为直线,PT切圆于T,求∠QPT的值。
35°
45°
55°
65°
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