help*** when given all three side lengths of a triangle but none of the angle measures, you can solve for all angle measures using_______.

Question

anonymous · Answer

that be the law o' cosines

anonymous · Answer

use herons formula
s= a+b+c/2
then the the root of s(s-a)(s-b)(s-c)

anonymous · Answer

heron's formula is useful for finding the area of a triangle

anonymous · Answer

a)pythagorean theorem
b)the law of sines
c)the alternative form of law of cosines
d)the alternative form of law of sines

anonymous · Answer

oh ur right. sorry I cant think straight. remember mean/median proble. :S
Sorry

anonymous · Answer

so its c?

anonymous · Answer

it is the law of cosines
i did not know it had an "alternative form"

anonymous · Answer

but yeah C since the answer is always C