116k views
3 votes
BC =
Round your answer to the nearest hundredth.
B
50°
7

BC = Round your answer to the nearest hundredth. B 50° 7-example-1
User Pretseli
by
5.2k points

2 Answers

5 votes

Answer:

5.87

Explanation:

khan said it was correct.

User Passerby
by
5.1k points
3 votes

Answer:

BC = 5.87

Explanation:

Reference angle = 50°

Side Opposite to reference angle = 7

Adjacent side = BC = ?

Apply trigonometric function, TOA, thus:

Tan 50 = Opp/Adj

Tan 50 = 7/BC

BC × Tan 50 = 7

BC = 7/Tan 50

BC = 5.87369742 ≈ 5.87 (nearest hundredth)

User Adjua
by
3.7k points