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24.05.2021 •
Mathematics
Question 22 of 25
What is the surface area of a sphere with radius 3?
A. 1870 units
B. 30 units2
C. 91 units2
D. 367 units2
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Ответ:
36 pi
Step-by-step explanation:
Aera of sphere is : 4 *pi *r^2
A=4 *pi*9=36pi=113
Ответ: