一滑梯的垂直高度AC为2m,滑梯的水平方向的长度AB=4.8m,滑道BC的长是____A.6.5B.5.2C.52D.5.1http://hiphotos.baidu.com/%CA%B1%C9%D0%C0%D6%D4%B0/pic/item/c3b541a97d6f5bfd1f17a258.jpg
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 10:48:43
![一滑梯的垂直高度AC为2m,滑梯的水平方向的长度AB=4.8m,滑道BC的长是____A.6.5B.5.2C.52D.5.1http://hiphotos.baidu.com/%CA%B1%C9%D0%C0%D6%D4%B0/pic/item/c3b541a97d6f5bfd1f17a258.jpg](/uploads/image/z/3930888-48-8.jpg?t=%E4%B8%80%E6%BB%91%E6%A2%AF%E7%9A%84%E5%9E%82%E7%9B%B4%E9%AB%98%E5%BA%A6AC%E4%B8%BA2m%2C%E6%BB%91%E6%A2%AF%E7%9A%84%E6%B0%B4%E5%B9%B3%E6%96%B9%E5%90%91%E7%9A%84%E9%95%BF%E5%BA%A6AB%3D4.8m%2C%E6%BB%91%E9%81%93BC%E7%9A%84%E9%95%BF%E6%98%AF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BFA.6.5B.5.2C.52D.5.1http%3A%2F%2Fhiphotos.baidu.com%2F%25CA%25B1%25C9%25D0%25C0%25D6%25D4%25B0%2Fpic%2Fitem%2Fc3b541a97d6f5bfd1f17a258.jpg)
一滑梯的垂直高度AC为2m,滑梯的水平方向的长度AB=4.8m,滑道BC的长是____A.6.5B.5.2C.52D.5.1http://hiphotos.baidu.com/%CA%B1%C9%D0%C0%D6%D4%B0/pic/item/c3b541a97d6f5bfd1f17a258.jpg
一滑梯的垂直高度AC为2m,滑梯的水平方向的长度AB=4.8m,滑道BC的长是____
A.6.5
B.5.2
C.52
D.5.1
http://hiphotos.baidu.com/%CA%B1%C9%D0%C0%D6%D4%B0/pic/item/c3b541a97d6f5bfd1f17a258.jpg
一滑梯的垂直高度AC为2m,滑梯的水平方向的长度AB=4.8m,滑道BC的长是____A.6.5B.5.2C.52D.5.1http://hiphotos.baidu.com/%CA%B1%C9%D0%C0%D6%D4%B0/pic/item/c3b541a97d6f5bfd1f17a258.jpg
B
勾股定理
AC^2+AB^2=BC^2
AC*AC+AB*AB=BC*BC
所以选B