Question

"I need help with this math with medal help please!"

Answer 1

Was that correct?

Answer 2

question here

Answer 3

Oh, I see. Hm.

Answer 4

what?

Answer 5

Are you learning cosine?

Answer 6

Apply the Law of Cosines

The square of any side of a triangle is equal to the sum of the squares of the other two sides of the triangle minus twice the product of those sides and the cosine of the included angle.

Answer 7

use the cosine rule

Answer 8

as easy as that

Answer 9

b^2 = a^2 + c^2 - 2ac(Cos B)

Answer 10

b^2 = 7^2 + 4^2 -2*7*4 * cos75

Answer 11

b^2 = 65 - 56* cos 75

Answer 12

do what @Directrix did

Answer 13

b^2 = 65 - 56* .2588

b^2 = 50.5072

b = ?

Surely, somebody here can find b.

Answer 14

Somehow I doubt Tyler is still around

Answer 15

Well, you could find the square root. @Brian42

Answer 16

can i get medal if i help u

Answer 17

Im here now. so where do i start and sorry i was asleep.

Answer 18

you never put math problem yet

Answer 19

Yes huh the link is above its the one that says 9 on it.

Answer 20

oh srry didnt see it

Answer 21

its 28

Answer 22

do u want a explanation

Answer 23

hello

Answer 24

r u there

Answer 25

sorry and yeah an explanation would be good.

Answer 26

OK you had to multiply the 7 and the 4 and thats how u get the answer for that if you need any more help just send me a message and i join to help btw is that a pic of you and your bf

Answer 27

Im a guy so its a pic of me and my girlfriend lol.

Answer 28

oh lol srry

Answer 29

are you a teen

Answer 30

Yeah lol 18 in may

Answer 31

ill be 17 in april

Answer 32

He said 28 is that right @Directrix

Answer 33

He said 28 is that right? NO

Answer 34

@TylerMckinney16

When I left this thread last night, I left with one thing for you to do to solve for b.

Click on the attachment to see what it is.

Answer 35

50.7?

Answer 36

You are guessing.

Go here http://web2.0calc.com/

Click on the square root key.

Enter 50.5072 and then click on =

@TylerMckinney16