Answer:
3.35.
Step-by-step explanation:
very simple!
Lengthof train=X
platform length=180
total distance=x+180
speed=60km/hr=60×5/18=(300/18)m/
Time =18s
Time =Distance/speed
18=X+180/(300/18
18×300=18(X+180)
300=X+180
x=300-180=120
so length of the train=120m
Answer:
Step-by-step explanation:
Question is not clear.
Base is 5 units
height is 3 units
area is 7.5 units²