find the volume of hemisphere and surface area is 154 cm square
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find the volume of hemisphere and surface area is 154 cm square
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Answer:
89 integer 5/6
Step-by-step explanation:
Let radius of sphere be r cm
Volume of Sphere = 154cm²
4πr² = 154
⇒4×22/7×r²=154
⇒r²= 154×7/22×4
⇒r²=49/4
⇒r=√49/4
∴ r= 7/2
Volume of Hemisphere = 2/3πr²
= 2/3×22/7×7/2×7/2
=77×7/6
=539/6
= 89integer 5/6
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