Question

What is the value of b in this diagam?

12

10.2

9

8

Answer 1

HINT: \(\dfrac{a}{\sin A} = \dfrac{b}{\sin B}\)

Answer 2

@amistre64

Answer 3

i think its D

Answer 4

@conner143

Answer 5

geerky suggest law of sines, i peronally feel better with law of cosines to avoid a certain processing error in sines.

Answer 6

ok could u show me how u use that

Answer 7

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

b = sqrt(6.33^2+12^2-2(6.33)(12)cos(37.81))

it gets us to b=8

Answer 8

thank you

Answer 9

sorry i didnt get here in time