如图所示,在△ABC中,AB=6cm,BC=8cm,∠B=90°,点P从A点开始沿AB边向B以1cm/s的速度移动,点Q从B点开始沿BC边点C以2cm/s的速度移动.1)如果点P,Q分别从A,B同时出发,经过几秒钟,△PBQ的面积等于8cm²?2)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 08:53:14
![如图所示,在△ABC中,AB=6cm,BC=8cm,∠B=90°,点P从A点开始沿AB边向B以1cm/s的速度移动,点Q从B点开始沿BC边点C以2cm/s的速度移动.1)如果点P,Q分别从A,B同时出发,经过几秒钟,△PBQ的面积等于8cm²?2)](/uploads/image/z/1601500-4-0.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2CAB%3D6cm%2CBC%3D8cm%2C%E2%88%A0B%3D90%C2%B0%2C%E7%82%B9P%E4%BB%8EA%E7%82%B9%E5%BC%80%E5%A7%8B%E6%B2%BFAB%E8%BE%B9%E5%90%91B%E4%BB%A51cm%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E7%A7%BB%E5%8A%A8%2C%E7%82%B9Q%E4%BB%8EB%E7%82%B9%E5%BC%80%E5%A7%8B%E6%B2%BFBC%E8%BE%B9%E7%82%B9C%E4%BB%A52cm%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E7%A7%BB%E5%8A%A8.1%EF%BC%89%E5%A6%82%E6%9E%9C%E7%82%B9P%2CQ%E5%88%86%E5%88%AB%E4%BB%8EA%2CB%E5%90%8C%E6%97%B6%E5%87%BA%E5%8F%91%2C%E7%BB%8F%E8%BF%87%E5%87%A0%E7%A7%92%E9%92%9F%2C%E2%96%B3PBQ%E7%9A%84%E9%9D%A2%E7%A7%AF%E7%AD%89%E4%BA%8E8cm%26%23178%3B%3F2%EF%BC%89)
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