Ok, this took me ages to figure out, trying various methods and stuff and getting all messed up. I even had to get help from David himself, who seemed to know a formula that I didn't but was expected to know for this question. Fine, so I fail at basic trig. Maybe I just suck, I'm no match for evil IB HL people.

Anyway, this is a diagram (which I'm hoping real hard that it's right)

Erm... The answer I got at the end was approximately 10.88, please tell me if this is right or wrong and therefore whether I should bother showing what I did.

Cheers.

## Tuesday, October 23, 2007

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## 2 comments:

It's wrong, proper answer is 60/27 * Root(11) cm^2

Which is 7.37

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