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triangle area

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Air721
 
Reply Sun 24 Feb, 2013 11:25 am
What is the area of a triangle when a=16.8 b=18.6 c=17.8 answer to the 1000th please.
and
What is the area of a triangle when a=28 b=15, and c=29
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Type: Question • Score: 0 • Views: 837 • Replies: 1

 
engineer
 
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Reply Sun 24 Feb, 2013 11:59 am
@Air721,
The formula is A=sqrt( s (s-a) (s-b) (s-c) ) where s = (a+b+c)/2
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