Question

http://screensnapr.com/e/nnbXjr.png
@TuringTest @amistre64

Answer 1

So for this, law of cosines, a^2=b^2+c^2-2(b)(c)cos(A)

Answer 2

Herron's formula

Answer 3

OH Area, crap. Of course

Answer 4

Read the question wrong, thank you haha

Answer 5

I think it was something like:
sqrt(p(p-a)(p-b)(p-c))

Answer 6

Yes, i got it :) 458.9

Answer 7

Got another one for you guys

Answer 8

bahrom, your Heron's Formula is incorrect

Answer 9

its sqrt(s(s-a)(s-b)(s-c)) s=1/2(a+b+c)

Answer 10

Yes, correct

Answer 11

http://openstudy.com/study#/updates/4f51440ee4b019d0ebafb8af

Answer 12

s = p/2