Answer:
BC = 18tan(40°)
Step-by-step explanation:
The leg of the triangle can be explained using tan
Tan(angle) = opposite/adjacent
Plug in and simplify to get the answer
Hello,
18 x tan 40°
tan 40° = BC / AC
and with AC = 18
tan 40° = BC / 18 ⇔ BC = 18 x tan 40°
