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Math Help - How to solve this word problem? (with picture)

  1. #1
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    How to solve this word problem? (with picture)



    Hi, I got a worksheet from a teacher today but I don't know how to do the question (see above).
    Can anyone please help me to do it?
    I don't get where the bearings are so I can't put the 60 degrees and 150 degrees in.
    Thanks
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  2. #2
    MHF Contributor
    Grandad's Avatar
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    Hello womatama
    Quote Originally Posted by womatama View Post

    Hi, I got a worksheet from a teacher today but I don't know how to do the question (see above).
    Can anyone please help me to do it?
    I don't get where the bearings are so I can't put the 60 degrees and 150 degrees in.
    Thanks
    First, on a technical note, can I suggest that when you've scanned or photographed a document, you save it as a .jpg file, and then attach it using the 'Manage Attachements' button. That way, it will be attached at the bottom of your message as a thumbnail. The problem with the attachment that you've made is that it is just too big!

    Now take a look at the diagram I've attached.

    You'll see that I've marked all the angles that you'll need. (The lines AE and BC are vertical, and BF, CE and DE are horizontal, so we've got lots of right-angles I haven't marked, of course.)

    Then you can find, in this order, the lengths:
    BC (= EF), AF, BF (= CE), CD and hence DE.
    Can you do it now?

    Grandad
    Attached Thumbnails Attached Thumbnails How to solve this word problem? (with picture)-untitled.jpg  
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