5.4平移生活中的平移| we did professional work平移定义平移性质滑 梯| we did professional work平移定义平移性质大厦里的电梯| we did professional work平移定义平移性质推拉窗| we did professional work平移定义平移性质平移实例Services 平移 在平面内,将一个图形沿某个向移动一定的距离,这样的图形运动称为平移。平移的两个要素: ①向; ②距离。| we did professional work平移定义平移实例Services Services ABCD| we did professional work平移定义平移实例Services 我们发现:(1)四边形ABCD与四边形EFGH全等;(2)线AE、DH、CG、BF平行且相等。| we did professional work平移定义平移实例Services 图形平移的性质:1. 不改变图形的形状、大小,改变的只是图形的位置。平移前后的两个图形全等。2. 平移前后两个图形的点的连线平行且相等。线平行且相等,角相等。| we did professional work平移定义平移性质平移实例Services A B C D E下列5幅图中,哪些图可以通过平移A得到?A B C D E| we did professional work平移定义平移性质平移实例Services 如图,在正格纸上将⊿ABC先向右平移6格,再向上平移2格,得到平移后的⊿DEF,连接平移前后的点,找出图中几组平行且相等的线、几组相等的角和一组全等三角形,并说明理由。| we did professional work平移定义平移性质平移实例Services | we did professional work平移定义平移性质平移实例Services 练习 将图中小船向左平移4格。| we did professional work平移定义平移性质平移实例Services 练习 将图中小船向左平移4格。| we did professional work平移定义平移性质平移实例Services 练习 将图中小船向左平移4格。| we did professional work平移定义平移性质 |