The answer for this question is 4.5
Answer:

Step-by-step explanation:
The surface area of a cylinder is given as;

where r = radius
h = height
The cylinder has a height of 32 feet and a diameter of 40 feet. This means that the radius is:
40 / 2 = 20 feet
The surface area is therefore:

The surface area of the cylinder is
.
Answer:
3
Step-by-step explanation:
1 1/2 can be rewritten as 3/2, so 3/2*2=3.
Answer:
It's 13
Step-by-step explanation:
Well, just use the triangle inequality theorem and pay close attention to angles CAB and EAC... that's all I can say
Hope that helped