SOLUTION: A cube of side length a is modified by cutting a cubic shape of side length b from one of it's corners. In addition a cylindrical hole is cut through the shape with a radius of siz

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Question 1137216: A cube of side length a is modified by cutting a cubic shape of side length b from one of it's corners. In addition a cylindrical hole is cut through the shape with a radius of size c. If the value of a is 18.0, b is 1.2 and c is 5.0, what is the surface area of this shape? (Use 3.14 as the value of pi)
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Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!
If the value of



what is the surface area of this shape? (Use as the value of )

the surface area of this shape will be sum of:
faces of the cube side length of : (these faces have no cuts)
faces (upper and one on the left side of big cube) have cut of and area is:
face (front) has a cut of and circle, so area is:
and, add surface area of three faces of small cube side length :






or, since we have first deducted from three faces, then added same as faces of small cube, surface area is same as surface area of cube side length a minus area of the circle



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