U= 2.5 which is rounded to the nearest tenth.
C=pi(r)(2)
C=pi(d)
Those are the exact formulas for the circumference.
Hope this helps!
Okay the answer is 3 3/4, 3÷4=.75 then put in the whole number and it is 3.75. 3.75 is bigger than 3.62.. so the answer is 3 3/4
Answer:
rate of the boat in still water: 81 km/h
rate of the current: 18 km/h
Step-by-step explanation: