Question 641106
At a given time of day the shadow of a 6 ft. tall man is 8 ft. in length.
 The shadow of a telephone pole is 40 ft.
 How tall is the telephone pole? 
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We can use the relationship of corresponding sides in similar triangles
Let t = ht of the pole
:
{{{t/6}}} = {{{40/8}}}
cross multiply
8t = 6 * 40
8t = 240
t = 240/8
t = 30 ft is the ht of the pole
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To answer, draw and label a diagram, set up an equation based on your diagram
 label solve and do a check please help me 
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Two right triangles, one inside the other, vertical of the large triangle
represents the pole, vertical in smaller represent the man