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December 18, 2014

December 18, 2014

Posted by **Anonymous** on Tuesday, January 22, 2013 at 12:23pm.

- maths-urgently needed -
**Damon**, Tuesday, January 22, 2013 at 12:32pmx+y

tan 30 = x/150

x = 150 tan 30

tan 60 = y/150

y 150 tan 60

so

d = 150 (tan 30 + tan 60)

d = 150 (1/sqrt 3 + sqrt 3 /2)

= 150 (2 + 3)/2sqrt 3

= 375/sqrt 3

= 216.5

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