Question

Solve for BC.
Round your answer to the nearest tenth.
B
A
54.2°
30

Answer 1

Explanation:

AB is hypotenuse

BC is perpendicular respected to <A

sin(A) =
`(BC)/(AB)`

sin(54.2) =
`(BC)/(30)`

0.81 =
`(BC)/(30)`

BC = 0.81 x 30

=
`24.3`