Q. 43.9( 35 Votes )

# Check whether (5, -2), (6, 4) and (7, 2) are the vertices of an isosceles triangle.

Answer :

let A = (5,-2) B = (6,4) and c = (7,2)

⇒ AB =

=

AB =

⇒ BC =

=

BC =

⇒ AC =

=

AC =

As all the sides are unequal the triangle is not isosceles.

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