Question

the volume of 5.6 m long aluminium rod is 158.4 m³ find the circumference of the base​

Answer 1

Answer:

volume of cylinder=πr²h

πr²h=158.4

22/7*5.6*r²=158.4

22*0.8*r²=158.4

17.6*r²=158.4

r²=158.4/17.6

r²=9

r=3 m