Function area of pentagon ABCDE

area of pentagon ABCDE

Format:

area of pentagon ABCDE

Input:

point A -

point B -

point C -

point D -

point E -

Output:

number - None

Properties that reference this function:

area of pentagon ABCDE = area of pentagon EABCD (Area of 5 Points)

area of quadrilateral ABCD = (area of pentagon ABCDX) + (area of △DAX) (Area of Quadrilateral)

area of pentagon ABCDE = (area of quadrilateral ABCD) + (area of △DEA) (Area of Pentagon)

area of pentagon ABCDE = (area of pentagon ABCDX) + (area of quadrilateral DEAX) (Area of Pentagon (2))

Conditional properties that reference this function:

if m∠ABC = 180, then area of pentagon ACDEF = area of hexagon ABCDEF (link)
if m∠DEF = 180, then area of hexagon ABCDEF = area of pentagon ABCDF (link)

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