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October 21, 2014

October 21, 2014

Posted by **joey** on Friday, March 2, 2012 at 1:49am.

A)How high up the tree is the nest

B)Bernhardt is standing 30m behind julia. At what angle of elevation does he see the nest?

- trig and geometry -
**Bosnian**, Friday, March 2, 2012 at 2:12amA )

tan ( 42 ° ) = H / 75

H = 75 tan 42 °

H = 75 * 0.9004

H = 67.53 m

B )

tan ( theta ) = H / ( 75 + 30 )

tan ( theta ) = H / 105

tan ( theta ) = 67.53 / 105

tan ( theta ) = 0.643143

theta = 32 ° 44 ' 49 "

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