Shadow of tree

Miro stands under a tree and watching its shadow and shadow of the tree. Miro is 180 cm tall and its shade is 1.5 m long. The shadow of the tree is three times as long as Miro's shadow. How tall is the tree in meters?

Correct result:

h =  5.4 m


h1=180 cm m=180/100  m=1.8 m t1=1.5 m  t2=3 t1=3 1.5=92=4.5 m  h=3 h1=3 1.8=275=275 m=5.4 m

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