distance AB
= √ [(x2 − x1)2 + (y2 − y1)2]
= √ [(2.5 − -8.6)2 + (5.5 − -5.4)2]
= √ [11.12 +10.92]
= 15.6
(2.5, -5.4)
(-8.6, 5.5)
(-8.6, -5.4)
y2 − y1
= 5.5 − -5.4
= 10.9
x2 − x1
= 2.5 − -8.6
= 11.1
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Find the distance between the points (3, −4) and (5, 7).
Here, x1 = 3 and y1 = −4; x2 = 5 and y2 = 7
So the distance is given by:
distance AB
= √ [(x2 − x1)2 + (y2 − y1)2]
= √ [(3 − 5)2 + (7 − -4)2]
= √ [22 +112]
= 11.2
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