Can someone help me find ‘?’ pleaseeee and quick

Question

asked Jul 3, 2021 19.2k views

1 Answer

Casteurr · Answer 1 · 2021-07-07T12:18:29+0000

Answer:

BC ≈ 5.87

Explanation:

Using the tangent ratio in the right triangle.

tan50° =
(opposite)/(adjacent) =
(AC)/(BC) =
(7)/(BC)

Multiply both sides by BC

BC × tan50° = 7 ( divide both sides by tan50° )

BC =
(7)/(tan50) ≈ 5.87 ( to the nearest hundredth )