Step-by-step explanation:
tan30° = Height of person / (Distance away from river bank + river's width) = 1/√3.
Therefore 1.6m / (2m + x) = 1/√3
By cross multiplication, 1.6√3 = 2 + x.
Hence, x ≈ 0.77m.
Answer:
( 1 , -3 ) for every +1 on the x line you go -3 on the y I hope this is what you need
Answer:
4
Step-by-step explanation: