如图,AD∥BC,∠ABC的角平分线BP与∠BAD的角平分线AP相交于点P,作P 发布时间:2017-04-22 07:58 │ 来源:www.tikuol.com 题型:填空题 问题: 如图,AD∥BC,∠ABC的角平分线BP与∠BAD的角平分线AP相交于点P,作PE⊥AB于点E,若PE=2,则两平行线AD与BC间的距离为( )。
题型:填空题 Damage stability is the stability().A.which exists when the wind speed is less than 50 knotsB.before collisionC.after floodingD.at the maximum load 查看答案