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Mathematics 9 Online
OpenStudy (anonymous):

The shadow of a tower standing on a level ground is found to be 40 m longer when Sun's altitude is 30 degrees than when it is 60 degrees

OpenStudy (anonymous):

|dw:1410680081405:dw| Just wanted to make sure my sketch is correct

hartnn (hartnn):

|dw:1410680118540:dw|

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