Measurement

Perimeter

Square: 4s

Retangle: 2(l+b)

Circle: 2πr

Area

Square: s2

Rectangle: l×b

Triangle: 12×base×height

Circle: πrr

Surface Area

Cube: 6s2

Cuboid: 2(lb+bh+lh)

Pyramid: Sum of all surfaces 

Sphere: 4πr2

Hemisphere:

Closed: 3πr2

Open: 4πr2

Cylinder:

Curved: 2πrh

Total: 2πr2+2πrh

Cone: 

Curved: πrl

Total: πrl+πr2

l = slant height of cone 

l = h2+r2

Volume

Cube: s3

Cuboid: l×b×h

Pyramid: 13×area of base×height 

Cone:13×πr2h

Cylinder: πr2h

Sphere: 43×πr3

Hemisphere: 23×πr3

Editors

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