If the diameter of a sphere is 4 ft, then what is its surface area? Leave your answers in terms of π
2 answers:
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Answer:
36
Step-by-step explanation:
first, see the formula in the attached picture.
now, by applying that formula we get :
the coefficient of the x7y2 is :
9C7 = 36 (you can either use a calculator or just the algebraic formula)
