Question

In ΔABC, if a = c = 16 centimeters and m∠B = 85°, what is b to two decimal places?

Answer 1

@LegendarySadist

Answer 2

Well a and c are both going to be the same angle. So a+a+85=180. That will give us the angles of a and c

Answer 3

ok so whats next

Answer 4

Use the law of sines to find b

Answer 5

umm could you set that up for me :/

Answer 6

Well let's get all of our variables. What would the proportion of angle A be to side a?

Answer 7

16
sin ?

Answer 8

Well what is angle A?

Answer 9

it doesn't tell us

Answer 10

is the answer 21.62?

Answer 11

yeah, that's the answer.

Answer 12

okay okne more