Use the law of sines to find the length of side c (answer as soon as possible)

Question

asked Jul 25, 2020 81.6k views

2 Answers

StevenC · Answer 1 · 2020-07-31T22:01:45+0000

Answer:

D

Explanation:

Using the law of sines in ΔABC, then

(c)/(sinC) =
(a)/(sinA)

Substituting in values gives

(c)/(sin31.6) =
(25)/(sin38) ( cross- multiply )

c × sin38° = 25 × sin31.6° ( divide both sides by sin38° )

c =
(25(sin31.6))/(sin38) ≈ 21.28 → D