Answer: The speed of the current is 1.5 km/h .
Step-by-step explanation:
Let x = speed of current and y = speed of canoe.
Since ,
As per given , we have
Adding (1) and (2) , we get
Put value of y in (1) , we get
Hence, the speed of the current is 1.5 km/h .
Answer:
4.3 *10^3
Step-by-step explanation:
Answer:
D: 132 ft
Step-by-step explanation:
C= π2r
So, take pi and multiply that by two..
π2= 6.28
Now, take your radius and multiply it by 6.28.
21 x 6.28= 131.88
Round it two the nearest whole number, which is 132!
Hope this helps!