find the volume of a sphere whose radius is 2.8 CM Java program
Answers
Answer:
36 pie helpful?
Explanation:
Formula: Volume of sphere =
3
4
πr
3
Where, r=radius
Given:
r=3 cm
Substitute the value of r in the above formula,
3
4
πr
3
=
3
4
×3.14×3
3
=
3
4
×3×3×3×π
=
3
4
×27×π
=
3
108
×π
=36π cm
3
Answer:
Solution
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Given that, the radius of a sphere is 2.8 cm
To find out: The volume and surface area of the sphere.
We know that, volume of a sphere =
3
4
πr
3
=
3
4
×
7
22
×(2.8)
3
[∵ π=
7
22
]
=
21
1931.78
=91.99 cm
3
We also know that, surface area of a sphere =4πr
2
=4×
7
22
×(2.8)
2
[∵ π=
7
22
]
=
7
689.92
=98.56 cm
2
Hence, the volume of the given sphere is 91.99 cm
3
and its surface area is 98.56 cm
2
.
Explanation:
hope this helps...