IABI=√((xB - xA)²+(yB-yA)²)
a)
IABI=√((-1- 3)²+(-2-2)²)=√((-4)²+(-4)²)=√(16+16)=√32=√(16·2)=4√2
b)
IABI=√((0- 3)²+(0-(-4))²)=√((-3)²+(4)²)=√(9+16)=√25=5
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IABI=√((xB - xA)²+(yB-yA)²)
a)
IABI=√((-1- 3)²+(-2-2)²)=√((-4)²+(-4)²)=√(16+16)=√32=√(16·2)=4√2
b)
IABI=√((xB - xA)²+(yB-yA)²)
IABI=√((0- 3)²+(0-(-4))²)=√((-3)²+(4)²)=√(9+16)=√25=5