A girl is standing 360 cm from a lamp post at night. If the height of the girl is 160 cm
and her shadow is 90 cm long, then find the height of the lamp post. (math question)
Answers
Answered by
1
Answer:
110 cm
Explanation:
360cm-160cm=200cm
200cm-90cm=110cm
#
Answered by
1
Answer:
Let AB be the lamp post and CD be the girl and her shadow on ground is DE
Now triangles ABE and CDE are similar,
therefore AB/CD = height of lamp post/height of the girl=BE/DE
AB/160=360/90=4
Therefore AB =4×160=640 cm=height of lamp post
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