A 1.5m tall boy stands at a distance of 3m from a lamp post and casts a shadow of 4.5m on the ground.find the height of lamp post by trignometric ratios
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....boy......................lamp post
............|........................|..(h) = ?
.1,5m...|_________.|____________
............\...3m............./..\.......4,5m........./
directly proportional
Solution:
multiply cross and solving:
Answer: the height of lamp post is 2,25 m
............|........................|..(h) = ?
.1,5m...|_________.|____________
............\...3m............./..\.......4,5m........./
directly proportional
Solution:
multiply cross and solving:
Answer: the height of lamp post is 2,25 m
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