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formula forarea of an triangle?

 Jun 13, 2016
 #1
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1/2 (a)(b) sin(c) where abc are sides of the triangle and angle c is the angle between a and b.

 Jun 13, 2016
 #2
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base times half of height.

 Jun 14, 2016
 #3
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1/2 (a)(b) sin(c) where abc are sides of the triangle and angle c is the angle between a and b.

 Yes this is correct but just adding that C is the included angle. 

 Jun 14, 2016

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