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Step-by-step explanation:
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Answer:
70.86 degrees
cos x = adjacent side / hypotenuse
= 2/6.1 = 0.32787
x = 70.86.
3x3x12= volume of large prism= 108
1x1x12= volume of hole= 12
(Volume of prism)-(volume of hole)= 96
3053.6 because from the formula 4/3piercube