Answer:
A≈351.86 or rounded to the nearest tenth, 351.9.
Your answer should be A.
Step-by-step explanation:
To begin, you must acknowledge the formula for the SA or Surface Area of a Cylinder. Which is: 2πrh+2πr2
Now, we plug it in!
2π4×10 + 2π16
How do I know this?
Your radius if 4, since it's half of the cylinder. Since the second part calls for your radius squared, you must do 4x4.
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I'm going with the 41....I'm not sure if it's right..
The answer of the question is 'b'.
4 x 10 = 40
2 x 5 = 10
4 x 3 = 12
total area = 62cm^2
