A child of height 1.2 metres stands 3 metres from the foot of a lamp post of height 2.8 metres, at the top of which there is a small source which can be considered as a point. What is the length of the shadow cast by the child upon the ground?

Answer 1

Now Sabrina,
We did the previous problem for you. It is very similar to this problem. Please try it. It is really just trig.

Answer 2

is it
D/5.8= 1.2/2.8
D= (5.8x1.2)/2.8
D= 2.48m
??

Answer 3

can someone help? i am really struggling

Answer 4

could i have a clue or a starting point please?

Answer 5

2.8/(3+x) = 1.2/x,
2.8• x =1.2•3+1.2•x,
x=3.6/1.6=2.25 m