农业综合服务中心累吗:MATH!!!!!!!

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/03 03:23:20
Sam is walking in a straight line towards a lamp post which is 8m high, When he is 12 meter away from the lamp post, his shadow is 4 meter in high. When he is 8 meter from the lamp post, what is the length of his shadow?

2m