S.A of cylinder (closed at both ends) is 2xrh + 2xr^2
S.A of cylinder (open at one end) is
2xrh + xr^2
'x' represents 'pi'
Hope i helped
The answer is 12.3 inches
Answer:

Step-by-step explanation:
The midpoint of AB coordinates are:
where:

Answer:
2 or more
Step-by-step explanation: