Answer: 4.1
Step-by-step explanation:
The area of the cylinder is a function of its height (h) and radius, (
)
The exact value of h is: 
The given parameters are:


The surface area of a cylinder is calculated as:

Substitute values for Area

Divide through by pi

Substitute value for r



Collect like terms

Make h the subject


Rationalize


Hence, the exact value of h is: 
Read more about surface areas t:
brainly.com/question/25131428
For the square:
32•48= 1536 in ^2
For the triangle: 48•12= 576/2= 288 in^2
1536+288= 1824 in^2
Sorry I don't know I'm not that good at these kinds of things so so so sorry
Answer:
Step-by-step explanation: um