Question

Help please!:(

Answer 1

40

Answer 2

are you 100 percent sure? @eHoaX

Answer 3

hes 100% correct

Answer 4

hahah ok thanks, and btw I'm LOVING your profile pic hahahahaha @sweetburger

Answer 5

The first thing you need to know is what the angles of any triangle add up to @emma97 ?

Answer 6

@emma97 :P thanks

Answer 7

180 degrees right? @skullpatrol

Answer 8

Yes, now use that to find the third angle.

Answer 9

67 degrees, it already told me that part. after that is where i got confused

Answer 10

Use the definition of the cosine of angle now.

Answer 11

there is no need to find any angle if you use the definition of the sin of an angle

Answer 12

yeah that was my problem, I had no idea how i was supposed to solve it