Question

The length of the pole,which is 72m heigh, cast a shadow of 80m at a particular time on day. find the height of an electric pole, which casts a shadow of 10m under similar conditions

Answer 1

height 1 of pole=72
shadow=80
height 2=?
shadow=10
72:80=9:10
so, height is 9m

Answer 2

there are two Triangles both are similar so there is yours will be similar so we can find h is in image