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3 votes
Caculate the distance between the points L= (-1 ,-2) and (7,-9)

2 Answers

4 votes
point 1 (-1, -2) and point 2 (7, -9), x1= -1, y1= -2, x2= 7 and y2= -9
we will calculate distance with next formula :
L^2= (x2 - x1)^2 + (y2 - y1)^2 => L^2 = (7- (-1))^2 + (-9-(-2))^2 =>
L^2 = (7+1)^2 + (-9+2)^2 => L^2 = 8^2 + (-7)^2 => L^2 = 64 + 49 =>
L^2 = 113 =. L= square root of 113 => L= 10.63
User Ly
by
8.3k points
5 votes
Distance sqrt of (x2-x1)/(y2-y1).

Distance = sqrt of 8/-7

Hope this helps!
User Angrycrab
by
7.7k points

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