Mensuration >> Sphere

Radius of sphere from surface area - Sphere - Mensuration problem solver

The surface area of a sphere is 2464 sq.cm. Find its radius.

radius of sphere from surface area

surface area = 2464
r =  sqrt( ( SA )/ ( 4 * PI ))
radius = sqrt( ( surface_area )/ ( 4 * PI ))
radius = 14
radius = 14
d =  r * 2
diameter = 14 * 2
diameter = 28
So the diameter is 28
r =  d / 2
radius = 28 / 2
So the radius is 14

Sphere :

A three dimensional object shaped like a ball. Every point on the surface has the same distance from the center.

Sphere Formulas :

C =  2 * PI * r

d =  r * 2

r =  d / 2

V =  (4/3) * PI * r ^ 3

SA =  4 * PI * r ^ 2


where,

d = diameter
C = circumference
r = radius
V = volume
SA = surface area

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