Question

PLEASE HELP!

The measure of angle B = 27 degrees, measure of angle C
= 82 degrees, and b = 12. Then a =
nearest tenth.
to the

Answer 1

Answer: 25,0.

Explanation:

∡B=27° ∡C=82° b=12 a=?

∡A=180°-(27°+82°)=180°-109^°=71°.

`(a)/(sinA) =(b)/(sinB) \\a=(b*sinA)/(sinB)=(12*sin71^0)/(sin27^0)=(12*0,9455)/(0,454) \approx25,0`