Question

Help please!

Answer 1

Solve for B, C, and a

Answer 2

you can find `a` using law of cosines

Answer 3

Okay, I'll do that one first then

Answer 4

do you guys mind helping me when your done here?

Answer 5

I got 2.174 for a. Is that correct?

Answer 6

@perl

Answer 7

4^2 + 6^2 - 2(4)(6)cos(10 degrees) = a^2
√(4^2 + 6^2 - 2(4)(6)cos(10 degrees) ) = a
a = 2.17467879362

Answer 8

yes that is correct

Answer 9

now we need to find angle B and angle C

Answer 10

you can use law of sines

Answer 11

The law of sines formula is a=b (sina)/(sinB), right?

Answer 12

Okay so I got 28.64 for one of the angles, but that means the other angle would be 121.36 ?

Answer 13

@perl

Answer 14

how many degrees must a triagnle have?

Answer 15

180

Answer 16

@Poop_Emoji

Answer 17

so all the angles must add up to 180, right?

Answer 18

Yep