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19 May, 04:38

A girl 160 cm tall stands 360 cm from a lamp post at night. Her shadow from the light is 90 cm long. How high is the lamp post?

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  1. 19 May, 08:16
    0
    The answer is.

    The Lamp post is 800cm

    x = height of lamp post

    160/90 = x/450

    450 is the length from the base of the lamp post to the end of the shadow (360+90)

    cross multiple

    90x = 72000

    x = 800cm

    Have a great day!
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