12 because if u multiply 3*4 it is 12 and 4*3 is 12 so they both have 12 in common.
<h2>find the total surface area of a prism, you need to calculate the area of two polygonal bases, i.e., the top face and bottom face. And then calculate the area of lateral faces connecting the bases. Add up the area of the two bases and the area of the lateral faces to get the total surface area of a prism.</h2>
<h2>i HOPE IT'S HELP </h2>
I'm pretty sure this is correct
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Formula
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Area of circle = πr²
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Find Area of circle
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Area of circle = 3.15 x 3²
Area of circle = 28.26 unit²
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Answer: Area = 28.16 unit²
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