walrusxcuuseme walrusxcuuseme

17-08-2016
Mathematics

Answered

At 1 pm shadow of a tree is 14 feet long. At the same time the shadow of a 18 foot telephone pole is 21 feet long. What is the height of the tree?

Verified Answer :

17-08-2016

18≈21
14≈?
∴(14×21)÷18
=16.33feet

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Cherryelorm Cherryelorm

17-08-2016

If 18ft=21ft
then x = 14ft
We cross multiply.
That is,
x × 21 =21x
18 × 14=252

21x=252
x =252÷21
x =12

Therefore, the tree is 12ft tall.

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