1.Point A has coordinates (-2,1),point B has coordinates (3,3).If line segment AN is rotated 90° clockwise about point B,what are the coordinates of the image of point answer(1,8)2.What is the maximum number of peices that can be cut from a paper ci

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1.Point A has coordinates (-2,1),point B has coordinates (3,3).If line segment AN is rotated 90° clockwise about point B,what are the coordinates of the image of point answer(1,8)2.What is the maximum number of peices that can be cut from a paper ci
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1.Point A has coordinates (-2,1),point B has coordinates (3,3).If line segment AN is rotated 90° clockwise about point B,what are the coordinates of the image of point answer(1,8)2.What is the maximum number of peices that can be cut from a paper ci
1.Point A has coordinates (-2,1),point B has coordinates (3,3).If line segment AN is rotated 90° clockwise about point B,what are the coordinates of the image of point
answer(1,8)
2.What is the maximum number of peices that can be cut from a paper circle with four straight cuts if none of the pieces are moved of folded between cuts?
answer:11

1.Point A has coordinates (-2,1),point B has coordinates (3,3).If line segment AN is rotated 90° clockwise about point B,what are the coordinates of the image of point answer(1,8)2.What is the maximum number of peices that can be cut from a paper ci
1..证明黄色三角全等 （先征白色小三角和下面的黄色相似,拿三线八角吧.再用边角边证两个黄的全等）最后得出（3-（3-1）=1,3+3-（-2）=8）
2. 和小学四年级奥数一样,把一个平面切4刀,最多能把平面分成多少份.
  让每个交点都是由两条直线相交而成的.
1刀（2份） 2刀（2+2=4份） 3刀（2+2+3=7份） 4刀（2+2+3+4=11份）……
  以类似的题目都可以做啦~ 比如说6刀（2+2+3+4+5+6）

不会

1.Point A has coordinates (-2,1),point B has coordinates (3,3).If line segment AN is rotated 90° clockwise about point B,what are the coordinates of the image of point answer(1,8)2.What is the maximum number of peices that can be cut from a paper ci a point 一到初二英语填空题she has a _____ lower jaw.(point) mark a high point the point of a You have a point point ( )a sign. issue a point forecast after a point翻译 after a point翻译 I think there is no point in arguing with him againI think there is no ( ) in arguing with him again about this problem ; it has been solved.A.importance B.point C.need D.useful为什么用point不用need Water is a liquid at room temperature and has a relatively high frozen point.哪里错了 The accident has reached a point __ the police have to be called inThe accident has reached a point __the police have to be called inA.when B.that C.which D.where说详细点、、 英语翻译IN A matter of weeks the nationalisation of America’s banks has gone from taboo to talking point. You didn’t study for your test,so your teacher has a point about why you failed!求人工翻译 saber电路仿真 error the initial point “dc” has been created with a different design 怎么解决啊? a.to the point b.beside the point c.off the point d.on the point Alice has been to East Point(East Point划线提问） （ ）has Alice( )