Bella is wrapping a cube-shaped gift box that measures 8.5 inches along each edge. How many square inches of wrapping paper is n eeded to cover the box completely without overlapping?
1 answer:
we know that
The surface area of a cube is equal to
where
A is the area of one face of the cube
in this problem
Find the surface area
therefore
<u>the answer is</u>
of wrapping paper is needed to cover the box completely
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The other angle would be 35 degrees. This is because in a straight line (the wood) there are 180 degrees and when you take away 145 (the cut) you are left with 35.
180-145= 35
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