Posted by **Ray** on Tuesday, March 8, 2011 at 1:12pm.

I find these questions so difficult! I've been trying to solve them but I just can't. As they are diagrams they are hard to express in words, so the questions are the links below:

1) tinypic(.)com/r/25z7486/7

2) tinypic(.)com/r/4uhrg3/7

3) tinypic(.)com/r/juu9zs/7

(remove brackets when pasting into address bar)

thank you so much!!

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