Posted by Alexander on Wednesday, July 10, 2013 at 5:41pm.
When the angle of elevation of the sin55 a tower cast a shadow 20m long. Find the height of the tower

Maths  justin, Wednesday, July 10, 2013 at 9:44pm
20sin55 is equal to 16.4 m

Maths  Steve, Thursday, July 11, 2013 at 10:54am
The wording is a bit murky. I think you meant to say
When the angle of elevation of the sun is 55°
Given that, however, the height h is given by
h/20 = tan 55°
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