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Intersection between two circles (4)

 

AMB : Obtuse

AM'B, A'M'B', A'MB' : Acute

 

AMB obtuse <=> MA . MB < 0

 

What if AMB is a right angle ?

Then we have to be sur of the sign of the angle

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Pascal Vuylsteker / eScience / Computer Science / ANU 		Last modified: 20/4/2004
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