Download - Jincy power point
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Welcome
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Mathematics
Reg.No:18014350009
Jincy John
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About Spheres
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Spheres
A sphere is a perfectly round
geometrical objects that is
3-dimensional with every point
on its surface equidistant from
its center
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Spheres
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Radius of a sphere
Radius
The radius of a sphere is
the distance from the
center to the surface.
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Diameter of a sphere
Diameter
The diameter is always twice
the distance of the radius.
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Surface Area
Surface area of sphere is the
product of the squares of its radius
by 4π.
Surface area =4πr2
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Volume of a sphere
Volume of a
sphere= ⁴⁄₃πr3
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Hemisphere
Section of a spherical shape by a plane
is called the hemisphere.
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Curved surface area of hemisphere = 2πr2
Total Surface Area of hemisphere = 3πr2
Volume of hemisphere = ⅔πr3
Volume of Hemisphere
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Thank You