Lesson Equations

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This Lesson (Equations) was created by by Nate(3500) About Me : View Source, Show
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Circle:
Circumference+=+2%2Api%2Ar+=+pi%2Ad
Area+=+pi%2Ar%5E2

Square:
Circumference+=+4s
Area+=+s%5E2

Cube:
Area+=+6s%5E2
Volume+=+s%5E3

Rectangle:
Circumference+=+2l+%2B+2w
Area+=+lw

Rectangle Prism:
Area+=+2hw+%2B+2lw+%2B+2wl,  where  h  is the height,  l  is the length and  w  is the width.
Volume+=+lwh

Cone:
Area+=+pi%2Ar%2A%28q+%2B+r%29,  where  q  is the slant.
Volume+=+%281%2F3%29%2Api%2Ar%5E2h

Sphere:
Area+=+4%2Api%2Ar%5E2
Volume+=+%284%2F3%29%2Api%2Ar%5E3

Flat Ellipse:
Area+=+pi%2Aa%2Ab,  where  a  and  b  are the semi-axes of the ellipse.

Cylinder:
Area+=+2%2Api%2Ar%28r+%2B+h%29.  It includes the cylinder's side surface and the surface of the two bases.
Volume+=+pi%2Ar%5E2h

Torus:
Area+=+pi%5E2%28%28r2%29%5E2+-+%28r1%29%5E2%29,  where  r2  and  r1  are the different radii.
Volume+=+%281%2F4%29+%2A+pi%5E2+%2A+%28r1+%2B+r2%29+%2A+%28r1+-+r2%29%5E2

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