Area and Perimeter of a Regular Octagon

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The area and perimeter of a regular octagon with side length 'a'

All measures of the interior angles of a regular octagon are 3*π/4, or 135 degrees

Expressions

Name Input
Perimeter Derive Input Maple Input MathML Input Mathematica Input Maxima Input Mupad Input TI-Nspire Input text Input Image
Area Derive Input Maple Input MathML Input Mathematica Input Maxima Input Mupad Input TI-Nspire Input text Input Image
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