10 identical spheres of radius 7cm are to be painted. What is the total area of surface to be painted
1 answer:
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Answer: a)
Step-by-step explanation:
We know that the volume of an oblique pyramid is given by :-
If the volume of an oblique pyramid with a square base is V units³ and the height is h units.
Then, we have
Multiply 3 on both sides , we get
Divide both sides by h , we get
i.e.
Hence, the expression represents the area of the base of the pyramid =
Hence, the correct answer is a) 3 v/h units^2