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December 20, 2014

December 20, 2014

Posted by **love** on Friday, August 2, 2013 at 12:39pm.

whose height is 40 metres should have a base of?

- construction -
**Ms. Sue**, Friday, August 2, 2013 at 2:44pmUse the 4 to 1 rule.

This base should be 10 meters.

http://www.sc.edu/ehs/modules/Ladders/ladder.htm

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