a 150cm tall boy stand at a distance of 8cm from a lamp post and cost a shadow of 2cm find the hight of the lamp post
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Let BC=X
AD=150cm .150/100=1.5m
BD=8m
DE=2m
BC/AD=BD/DE (Thales theorem)
X/1.5=8/2
2x=8×1.5 2x=12
X=12/2
X=6
Height of the lamp post is 6m
AD=150cm .150/100=1.5m
BD=8m
DE=2m
BC/AD=BD/DE (Thales theorem)
X/1.5=8/2
2x=8×1.5 2x=12
X=12/2
X=6
Height of the lamp post is 6m
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