Math, asked by Pawan111111, 1 year ago

please anyone can explain why the surface area of sphere is equal to 4 pie r square?

Answers

Answered by KirtikaBasant
1
It is derived from the experiment using the thread and a sphere

Pawan111111: would you like to tell me how can i do this?
KirtikaBasant: take a thread and wrap it around a sphere properly. Now draw circles of equal radius and fill the thread. it will get fitted into 4 circles
Pawan111111: thank you so much
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