Question

8. If U = pi (r + h), find r when U = 16
h = 2.​

Answer 1

Answer:

16=22/7(r+2)

16*7/22=r+2

56/11=r+2

56=11*r+2

56=11r+22

56-22=11r

34=11r

r=34/11

r=3.91