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Math problem :(?
There is this question I'm stuck on, please help
A)"Find the exact distance from point A(5,7), to the line joining B(-2,1) and C(4,-3)."
1 Answer
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- ?Lv 74 years ago
A(5,7), to the line joining B(-2,1) and C(4,-3).
First find the equation of the line in general form
m = (1 - (-3))/(-2 - 4) = -2/3
y - 1 = -2/3(x + 2)
3y - 3 = -2x - 4
2x + 3y + 1 = 0
Now find the distance.
d = |2·5 + 3·7 + 1|/sqrt(2^2 + 3^2)
d = 32/sqrt(13)
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