SOLUTION: Hello, How are you? could you please help me answer this question. I am not good with math at all. I have the answer to the math problem, the answer stated by the teacher i

Question 798168: Hello,
How are you? could you please help me answer this question. I am not good with math at all. I have the answer to the math problem, the answer stated by the teacher is 351.86, but not matter how many times I do the formula I do not get that answer. Please show me step by step of the formula to conclude answers to math problems like this.
The math problem is:
Find the surface area of a can of energy drink with a diameter of 8 cm and a height of 10 cm. Round to two decimal places.
Thank you for your help.
Robin
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Find the surface area of a can of energy drink with a diameter of 8 cm and a height of 10 cm.
Round to two decimal places.
:
The surface area is the area of he two ends 2(pi*r^2) plus the vertical
area which is the the circumference (2pi*r) times the height (h)
:
A = 2(pi*r^2) + (2*pi*r*h)
In this problem, r:*8 = 4 cm; and h = 10
A = 2(pi*4^2) + (2*pi*4*10)
A = 100.531 + 251.327
A = 351.858 rounds to 351.86

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