find the surface area of sphere of radius 10.5cm
Answers
Answered by
3
Answer:
1397cm2
Step-by-step explanation:
surface area of sphere=4πr2
r=10.5
surface area =4*22/7*10.5*10.5
=88/7*105/10*105/10
=22*3*21
=66*21
=1397cm2
Answered by
1
Answer:
0.91
Step-by-step explanation:
r=d/2
10.5/2
area of sphere=4πr^2
put the value in formula and get your ans.
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