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VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE General & Further Mathematics => Topic started by: Studyinghard on August 22, 2010, 07:08:21 pm

Title: Bearings.
Post by: Studyinghard on August 22, 2010, 07:08:21 pm

A boat sails from point O to point B at a bearing of 130 degrees for 4km.
A 40m high lighthouse is due west of the boat and due south of O.

Find angle of elevation from B to the top of the lighthouse.

 

Title: Re: Bearings.
Post by: pooshwaltzer on August 22, 2010, 07:18:46 pm

my crappy drawing...

Title: Re: Bearings.
Post by: pooshwaltzer on August 22, 2010, 07:44:19 pm

ppl nd 2 stop saving der piks as .bmp cuz its friggin' ... just not necessary.