Question

In order to apply the law of cosines to find the measure of an interior angle, it is enough to know...?

A. The lengths of all three sides of the triangle.
B. The area of the triangle
C. At least two of the angles of the triangle and the length of one of its sides

Answer 1

I think a but not sure tho.

Answer 2

i thought C

Answer 3

I think it's C

Answer 4

Vote?? hahahah

Answer 5

lol yes

Answer 6

just joke, I have logic for that

Answer 7

but im pretty sure its C so im going to go for it :)

Answer 8

so, no need to write it out, right? ok thank you. yeyyayaa!! we win 2:1

Answer 9

it was wrong -.- and i needed to get 1 more to pass my test but i failed :/

Answer 10

its okay though i actually thought it was C

Answer 11

ok, sorry, let me redo.

Answer 12

It's A . @ timo86m terribly sorry

Answer 13

@timo86m

Answer 14

hey, the high smartscore guy is smarter than us, SURE

Answer 15

logic is\[a^2 =b^2 +c^2 -2bccosA \]

Answer 16

so A is right?

Answer 17

yes, sir

Answer 18

(: thanks !