Answer: 
Step-by-step explanation:
Given
The height of the cylinder is 
Circumference of the base is 
suppose 'r' is the radius of the cylinder

The volume of a cylinder is 

If one of the numbers you are multiplying by is negative,then that answer will be negative.
Answer:
answer is c hope this helps can i have branliest
Answer:
63 ft^2
Step-by-step explanation:
We know that the area for the rectangle is 72 feet squared.
We also know that the area for the triangle is 9 feet squared.
To find out the area of the whole thing you subtract 72-9 whcih gives you 63.
Answer:
by doing it the same way you did with the first one.
Step-by-step explanation: