Question

Round your answer to the nearest hundredth.
?
B
С
50°
7

Answer 1

9514 1404 393

Answer:

BC ≈ 5.87

Explanation:

The law of sines is applicable.

a/sin(A) = 7/sin(50°)

Angle A is the complement of angle B, so we have ...

a = 7(sin(40°)/sin(50°))

a ≈ 5.8736974

The length of BC is about 5.87 units.