If a 1.5 m tall girl stands at a distance of 3 m from a lamp-post and casts a shadow of length 4.5 m on the ground, then the height of the lamp-post is

If a 1.5 m tall girl stands at a distance of 3 m from a lamp-post and

1.	If a 1.5 m tall girl stands at a distance of 3 m from a lamp-post and casts a shadow of length 4.5 m on the ground, then the height of the lamp-post is
A.	.5 m
B.	m
C.	.5 m
D.	.8 m
Answer» D. .8 m