Why is the sum of interior angles of a concave qudrilateral not 360 ?

Asked by raghavendran7 | 6th Oct, 2009, 09:21: PM

Expert Answer:

 

The internal angles of all quadrilaterals add to give 360o. This is true for concave quadrilaterals also.

Answered by  | 7th Oct, 2009, 02:02: PM

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