Surface area formula


Here, we provide you with a comprehensive list of surface area formula for some common three-dimensional figure.





Cube:

cube-image

Surface area = 6 × a2





Right circular cylinder:

cylinder-image

Surface area = 2 × pi × r2   +  2 × pi × r × h

pi = 3.14
h is the height
r is the radius




Rectangular prism:

rectangular-solid-image

Surface area = 2 × l × w  +  2 × l × h  +  2 × w × h




l is the length
w is the width
h is the height




Sphere:

Sphere-image

Surface area = 4 × pi × r2

pi = 3.14
r is the radius




Right circular cone:

Cone-image

Surface area = pi × r2  +  pi × r ×( √(h2 + r2))

pi = 3.14
r is the radius
h is the height
l is the slant height



Right square pyramid:

pyramid-image

Surface area = s2 + 2 × s × l

s is the length of the base
h is the height
l is the slant height









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  1. Bessy and Bob algebra word problem

    Jul 28, 17 02:38 PM

    Bessy has 6 times as much money as Bob, but when each earn $6. Bessy will have 3 times as much money as Bob. How much does each have before and after

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