# Show that the triangle formed by the points A(5,-1),B(-3,2) and C(1,6) is an isosceles triangle

2
by poornasai2820
There is some error in the question.These points will never form an isosceles triangle
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2015-03-14T07:18:26+05:30

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Distance between AB=

units

Distance between BC=

units

Distance between CA=

units

In an isosceles triangle, any two sides are equal. The distance of any two sides is not equal here. So, the given points do not form an isosceles triangle.
Comment has been deleted
good
2015-03-14T11:45:09+05:30

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A(5,-1)
b(-3,2)
c(1,6)
distance²=(x2-x)²+(y²-y)²
ab²=(5--3)²+(-1-2)²
ab²=64+9=73
ab=√73
bc²=(-3-1)²+(2-6)²
=16+16
bc=√32
ac²=(5-1)²+(-1-6)²=16+49
ac=√65

there aren't any same sides...so it is not a isosceles triangle