Question 813835
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Hi,
1 m tall cast a shadow 1.2 m 
flagpole casts a shadow 18 m long
how tall "x"  is the flagpole
Question sets up the proportion***
{{{1/1.2 = x/18}}}    |Cross Multiplying to solve
 1.2x = 18
  x = 18/1.2 = 15m