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January 25, 2015

January 25, 2015

Posted by **Pam** on Friday, December 19, 2008 at 2:26pm.

- Math -
**Reiny**, Friday, December 19, 2008 at 3:24pmthe tower makes an angle of 84.5º with the ground.

let x m be the length of the shadow, then by the Cosine Law

x^2 = 90^2 + 55.9^2 - 2(90)(55.9)cos 84.5º

etc.

- Math -
**Linda**, Friday, December 19, 2008 at 3:29pmwhere did you get the 84.5º from?

- Math -
**Pam**, Friday, December 19, 2008 at 3:30pmthanks so much!

- Math -
**Pam**, Friday, December 19, 2008 at 3:50pmoh yeah thats true where does the 84.5 degrees come from?

- Math -
**Reiny**, Friday, December 19, 2008 at 4:01pmA vertical makes a right-angle with the horizontal

The tower is off 5.5º from the vertical.

5.5º + ? = 90 ??

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