Which expression represent the approximate length of BC HEEEEELLLLPPP!!!

Question

asked Feb 9, 2021 52.4k views

1 Answer

Crimsonland · Answer 1 · 2021-02-14T14:20:47+0000

Answer:

A

Explanation:

Using the Sine rule in Δ ABC

(sinA)/(BC) =
(sin38)/(AB) , substitute values

(sin66)/(BC) =
(sin38)/(3) ( cross- multiply )

BC sin38° = 3 sin66° ( divide both sides by sin38° )

BC =
(3sin66)/(sin38) → A