Step-by-step explanation: Answer Open in answr app Surface area of a sphere=4πr2=154cm2 ⇒4×722r2=154cm2 ⇒r2=4154×227 ⇒r2=449 ⇒r=449 ∴r=27=3.5cm Volume of the sphere=34πr3 =34×722×(3.5)3 =2188×42.875=179.67cm3 Reply
Step-by-step explanation:
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Surface area of a sphere=4πr2=154cm2
⇒4×722r2=154cm2
⇒r2=4154×227
⇒r2=449
⇒r=449
∴r=27=3.5cm
Volume of the sphere=34πr3
=34×722×(3.5)3
=2188×42.875=179.67cm3
Step-by-step explanation:
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