Sagot :
Answer:
462
Step-by-step explanation:
Base=π × r²
=> π × 3.5²
=>38.48
Volume:
Base times height
=>38.48 x 12
=>461.81
Answer:
- 426m²
Step-by-step explanation:
Given ;
- radius = 3.5m , hieght = 12m
Volume of cylinder = π2²h
- 22/7 × ( 3.5 )² × 12
- 22/7 × ( 7/2 )² × 12
- 22/7 × 7/2 × 7/2 × 12
- 462m²
Volume of the cylinder is 426m².