Find the surface area of a sphere of diameter:
(i) 14 cm
(ii) 21 cm
(iii) 3.5m
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2
Step-by-step explanation:
surface area of a sphere formual =4pir²
Answered by
2
Answer:
surface area of sphere =4πr^2
1) diameter=14
radius =7
=4×22/7(7)^2
=88/7×49
=88×7
=616cm^2
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