Find the volume of a sphere whose surface area is 154 cm?
hemisphere.
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Answer:
V = 4/3 ( πr^3)
S A= 4πr^2
Step-by-step explanation:
In a given que
S. A of sphere = 154 cm^2
4πr^2. = 154
πr^2 = 154/4
πr^2= 38.5
r^2 = 38.5÷3.14 { π = 3.14 }
r^2 = 122 cm
r = 11.1 cm
Volume of sphere= 4/3( πr^3)
=> 4/3×22/7×11.1×11.1×11.1
=> 1.3×3.14×11.1×11.1×11.1
=>. 5582 cm^3
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