Your friend has a collection of CDs. 2/3 of the CDs have booklets, 1/2 of the CDs are singles, and one for our singles with book
1 answer:
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Answer:
84,375 m^2
Step-by-step explanation:
We need to find the surface area of the pyramid. The pyramid can be divided into 4 triangles and one square (the bottom).
Area of a triangle is 1/2*b*h where b is the base of the triangle and h is the height.
Area of a square is length times width.
Total area =