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Brahmagupta's formula

In geometry, Brahmagupta's formula gives the area of a cyclic quadrilateral whose sides have lengths a, b, c, d as:

where s=(a+b+c+d)/2.

Heron's formula for the area of a triangle is the special case obtained by taking d=0.

Referenced By

Brahmagupta | Cyclic quadrilateral | Hero's formula | Heron's Formula | List of geometry topics | List of mathematical topics | List of mathematical topics (A-C) | List of mathematics topics

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