如图,O为直线AB上一点,过点O作射线OC,使∠BOC=60°,将一个直角三角尺POQ如图摆放,直角顶点在点O处,一条直角边OP在射线OA上.将三角尺绕点O以每秒10°的速度按逆时针方向旋转,记旋转后的三角尺为
,在旋转一周的过程中,第t秒时,
所在直线恰好平分∠BOC,则t的值为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854d583d9256dda6ae2480c592161649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fda3993f776064efd6580c603dc0c80b.png)
![](https://img.xkw.com/dksih/QBM/2021/7/7/2759338138910720/2761344553623552/STEM/b3adb49a-608e-4ee7-babd-7d5d1e9b756a.png)
更新时间:2021-07-10 18:32:47
|
相似题推荐
填空题
|
较易
(0.85)
【推荐2】将数轴按如图所示的方式从点A开始折出一个等边△ABC,设点A表示的数为x-3,点B表示的数为2x-5,点C表示的数为5-x,则x=____________ .
![](https://img.xkw.com/dksih/QBM/2020/2/14/2398852135911424/2398912472776704/STEM/82da569a6da9488581e843f92f6991d1.png?resizew=234)
您最近一年使用:0次
填空题
|
较易
(0.85)
名校
【推荐2】在小学我们学过三角形内角和为180度.如图,
是
的边
上一点,
,
和
的平分线交于点
,若
,
,则
与
的关系式是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696644c4fb1a1dd5d8ea2cbb2d15b1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d29e7c4d6216690152430b09f9cf0c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d19f963f7c803bcfcbb265ec6d4304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3160d33de228937b8a691519fced22e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85154249b25b32dc03b354b3ecc50cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/9/fd902676-402e-4d94-a0e1-ad71d5de1159.png?resizew=177)
您最近一年使用:0次