将一个有45°角的三角板的直角顶点放在一张宽为4.5cm的纸带边沿上,另一个顶点在纸带的另一边沿上,测得三角板的一边与纸带的一边所在的直线成30°角,则三角板的两条直角边长度是( )A.9cm
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 08:43:58
![将一个有45°角的三角板的直角顶点放在一张宽为4.5cm的纸带边沿上,另一个顶点在纸带的另一边沿上,测得三角板的一边与纸带的一边所在的直线成30°角,则三角板的两条直角边长度是( )A.9cm](/uploads/image/z/15138793-1-3.jpg?t=%E5%B0%86%E4%B8%80%E4%B8%AA%E6%9C%8945%C2%B0%E8%A7%92%E7%9A%84%E4%B8%89%E8%A7%92%E6%9D%BF%E7%9A%84%E7%9B%B4%E8%A7%92%E9%A1%B6%E7%82%B9%E6%94%BE%E5%9C%A8%E4%B8%80%E5%BC%A0%E5%AE%BD%E4%B8%BA4.5cm%E7%9A%84%E7%BA%B8%E5%B8%A6%E8%BE%B9%E6%B2%BF%E4%B8%8A%2C%E5%8F%A6%E4%B8%80%E4%B8%AA%E9%A1%B6%E7%82%B9%E5%9C%A8%E7%BA%B8%E5%B8%A6%E7%9A%84%E5%8F%A6%E4%B8%80%E8%BE%B9%E6%B2%BF%E4%B8%8A%2C%E6%B5%8B%E5%BE%97%E4%B8%89%E8%A7%92%E6%9D%BF%E7%9A%84%E4%B8%80%E8%BE%B9%E4%B8%8E%E7%BA%B8%E5%B8%A6%E7%9A%84%E4%B8%80%E8%BE%B9%E6%89%80%E5%9C%A8%E7%9A%84%E7%9B%B4%E7%BA%BF%E6%88%9030%C2%B0%E8%A7%92%2C%E5%88%99%E4%B8%89%E8%A7%92%E6%9D%BF%E7%9A%84%E4%B8%A4%E6%9D%A1%E7%9B%B4%E8%A7%92%E8%BE%B9%E9%95%BF%E5%BA%A6%E6%98%AF%EF%BC%88+%EF%BC%89A.9cm)
xS]kP+HR!'KԮq^M'8e~tV!d$zIW+x s}ޘa-;~&4iҥF~0ڋoI@ay&CWp&Y?_i[%nH
ZZ~'e:Mz
N8͇<~"F/xi4_G1w>y7MwGgklU&YR1g{cZKClPSk3f
EV%~ӽJ
`Ah~v+][