If radius of sphere is 4 a find its surface area
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r=4a
surface area of sphere=
4pir^2
=4×22÷7×(4a)^2
=88÷7×16a^2=202
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surface area of sphere=
4pir^2
=4×22÷7×(4a)^2
=88÷7×16a^2=202
you can simplify further...thanks...follow me and mark it as brainliest answer....
ankursinghMaths:
that 202 was written by mistake
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