Answer:
Alright so basically
Step-by-step explanation:
Answer:
The answer is 45600 as 621 is less than 650 and should be rounded down.
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.