Just started math class again this year, and all prior knowledge went down the drain on holidays.=P

Attachment 27459

P.S. Glad to have joined MHF Community. =)

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- Mar 9th 2013, 06:03 PMJaydenausI know this is simple but...
Just started math class again this year, and all prior knowledge went down the drain on holidays.=P

Attachment 27459

P.S. Glad to have joined MHF Community. =) - Mar 9th 2013, 07:49 PMSorobanRe: I know this is simple but...
Hello, Jaydenaus!

Quote:

A person on a boat 2 meters above sea level, has an angle of elevation of 16^{o}to the top of a lighthouse.

After moving 50 meters directly away from the lighthouse, the angle of elevation is 12^{o}.

Find the height of the top of the lighthouse above sea level.

Code:`*A`

** |

* * |

* * |

* * |h

* * |

* * |

* 12^{o}* 16^{o}|

D* - - - * - - - - - - - *B

2| 50 C x |2

F* - - - - - - - - - - - *E

In

In

Equate [2] and [1]: .

n . . . . . . . . . .

. . . . . . . .

Hence: .

Answer: .

- Mar 9th 2013, 09:21 PMJaydenausRe: I know this is simple but...
Thanks a lot, answered my question completely. =)