433角平分線與垂直平分線性質

433角平分線與垂直平分線性質

8th Grade

10 Qs

quiz-placeholder

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433角平分線與垂直平分線性質

433角平分線與垂直平分線性質

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

洪榮忠 新湖國中

Used 10+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在同一平面上關於「點、線、角」的敘述下列何者正確?

如果尺夠長的話,必能測量直線L的長度

過相異的AB兩點,只能決定一條直線

若兩角相加等於90度,稱這兩個角互補

若延伸角A的兩邊,則角A的角度亦跟著加大

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

如圖,已知四邊形ABCD中,L為 AD\overline{AD} 的中垂線,P為L上任意一點,則下列哪一個等式恆成立?

 PA=PB\overline{PA}=\overline{PB}  

 PB=PC\overline{PB}=\overline{PC}  

 PC=PD\overline{PC}=\overline{PD}  

 PD=PA\overline{PD}=\overline{PA}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知P、Q、R三點不在同一直線上,O為 PQ\overline{PQ}  QR\overline{QR} 中垂線的交點。若 OQ\overline{OQ} =13公分,則 OP+OQ+OR\overline{OP}+\overline{OQ}+\overline{OR} =? 

26公分

35公分

39公分

條件不足,無法求得

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

如圖,在梯形ABCD中, AD\overline{AD} // BC\overline{BC} ,∠A=90°, AD\overline{AD} =6, BC\overline{BC} =10。若作 CD\overline{CD} 的中垂線恰可通過B點,則 AB\overline{AB} 

8

9

12

18

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

如圖,已知 AB\overline{AB} =40,C點在 AB\overline{AB} 的垂直平分線上,且△ABC的周長為98,求△ABC的面積=?

200

320

400

420

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

如圖,在坐標平面上有A、B、C三點,O是原點, OAAB\overline{OA}\perp\overline{AB}  OAAB\overline{OA}\ne\overline{AB} 欲在第一象限內找一點D,使得D到x軸的距離與D到y軸的距離相等,且 DB=DA\overline{DB}=\overline{DA} 則D點要用下列何種方法求得?

 AB\overline{AB} 的中垂線與∠COA的角平分線之交點

 AB\overline{AB} 的中垂線與∠BAO的角平分線之交點

 AB\overline{AB} 的中垂線與 OA\overline{OA} 的中垂線之交點

作∠COA的角平分線與∠BAO的角平分線之交點

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

如圖, OP\overline{OP} 平分∠AOC, OQ\overline{OQ} 平分∠BOC。若∠AOB=120°,則∠POQ=?

50°

60°

70°

80°

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