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area of triangle

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Senior | Next Rank: 100 Posts
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by sumgb » Thu Aug 25, 2011 11:55 pm
Last edited by sumgb on Fri Aug 26, 2011 5:35 am, edited 1 time in total.
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by Frankenstein » Fri Aug 26, 2011 12:08 am
Hi,

If a,b,c are the sides of the triangle then area of triangle is given by (1/2)*b*c*sine A
So, Area = (1/2)*(12)*(8)*sine A = 48 sine A
As 0<sine A<=1, area will be less than or equal to 48 and equality holds when the angle between these two sides is 90 degrees.

Hence, B

If you are not comfortable with sines, you can follow illustrations by experts at:
https://www.beatthegmat.com/area-when-si ... 86637.html
Cheers!

Things are not what they appear to be... nor are they otherwise
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by sumgb » Fri Aug 26, 2011 12:53 am
Thanks frank....
Please ignore my response it is incorrect.
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