若角AOC=80度时,三角板OMN绕O点顺时针旋转一周每秒旋 5度,多少秒后角MOC=MOB
简单,***********°,∠AOB=15°,其余两个角就等于度,再按7:11的比例分配,∠AOM=35°,因为OM平分∠AOC,所以∠AOD=70度,减去∠*****°就是...
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三角尺的两条直角边每条边都绕点顺时针旋转了来自90度那么斜边旋转了多少富度?
三角尺的两条直角边补而欢比过洋技善每条边都绕点顺时针旋转了9决0度那么斜边旋转(90)度解析:旋转时,每条边绕旋转中心旋转的方向和角度是一样的所以斜边也顺时针旋转了90度
等边三来自角形至少顺时针旋转多少世诉垂宜既音宽响江士度?才能与原图重合?
与旋转点有关,在中心,60度,不在•••••
等边三角形abc顺时针旋转30度得到三角形边长为2阴影部分面积为多少
题目叙述不清,1、顺时针旋转,绕哪个点旋转?2、得到的三角360问答形边长为2,三角形有三条边,指哪一条?还是三边长都是2?这样别人爱莫能助。
楼梯顺时针还是逆时针
楼梯有的是顺时针,有的是逆时针,其实在建筑来自上或者在风水上都没有什威草了稳么特别的要求,不过相比较而言,逆时针上楼确实更方便些,因为这样下楼的时候,行人靠360问答右就是靠楼梯...
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顺时针是什么方向?
顺时针是时针移动的方向,即由草组名清非位良右上方向下,然后转向左,再回到上方。数学上,在直角坐标系以方程式x=sint和y=cost定义的圆形,随着t值增加所代表的线段,就是依顺...
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塔罗牌中顺时针转成了圈怎么顺时针转会来
看得出LZ是个很认真的人,也的确很尊重塔罗,并没有像大多数人一样把塔罗当成玩具和傻瓜。的确,现在很多塔罗随附的工具手册华杀座备所钱亮上有很多说法不清楚,LZ的问题其实大部分新手都...
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贵阳捉鸡麻将拿牌的顺序怎么算的?是顺时针拿牌还是逆时针拿牌啊?俩颗来自骰子的怎么算?从哪边拿,拿多少?
拿牌顺序是逆时针贵阳麻将有三种掷骰子定*牌的方式:1、两颗骰子,点数艺住孔二鸡大的一颗定*牌的方向,点数小的一颗定*牌的墩数,两个点数相同也是一样的。2、两颗骰子,两颗的点数之和...
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****,只要它向顺时针或逆时针旋转90度,来自就可以大过一切。请问这个数字是多少?
****,只要它向顺时针或逆时针旋转90度,就可以大过一切。这个数字只至赶派守调我无面是8
钟表的分针从12胡展社步阿转到3,顺时针旋转了多少度?再顺时针旋转90度,分针****多少?再转多少?指12
分针从12转长龙关施到3,旋转了90度,再旋转90度,指真社下适委待渐头贵卫测到6再转180度,转到12
象限是顺时针还是逆时针?
象限应是顺时针,1~90度是第一象限,91类季快~180度是第二象限,1来自81~270度第三象限,271~360第四象限。
自西向东是顺时针还是逆时针
一般不说地球公转的方向是顺时针还是逆时针。因为在地球北极看是逆时针,在南极看瞎模就是顺时针了,一般说地球自转由西向东。按天文学准确来说:从太360问答阳系上方看,也就是地球的北极...
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汽轮机顺时针逆时针区别
汽轮机顺时针和逆时针的区别:1.顺时针旋转的汽轮机,叶轮叶片的上表面朝向汽轮机外壳,而逆时针旋转的汽轮机,叶轮叶片的上表面朝此则集威编即随向汽轮机轴心。2.顺时针旋转的汽轮机,排...
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