Q. 695.0( 3 Votes )
The surface area
Answer :
Given: The surface area of a sphere is 154 cm2.
TSA of the sphere is given by: 4 × π × r2
∴ 4 × π × r2 = 154
⇒ r2 = 154 × =
⇒ r2 = ⇒ r = √
⇒ r =
Now, Volume of hemisphere is given by: πr3
Let V be the Volume of the hemisphere
∴ V = × π × r3
⇒ V = × π × (
)3 =
cm3 = 179
cm3
∴ V = 179 cm3
That is Volume of the given sphere is 179 cm3
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