What is the reason behind this SAT Math Question?

ursawarrior
Fri, 02 Aug 2013 00:17:45 +0000

The area of triangle ABC is ( AB x AC x sin A ) / 2 or the square root of p(p-AB)(p-BC)(p-CA) where p = (AB+BC+CA) / 2

If you use the first formula you can immediate see that the area is =< 35 since sinA =< 1.
I don’t know what formula you use when assuming that the third size is 16.