prove that A(2,1) B(0,3) and C(-2,1) are the three vertices of an isosceles right angled triangle .Hence find the coordinate of point D,if ABCD is a square.
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Step-by-step explanation:
first take out side AB, BC and CA
And if two of them are equal then it is a triangle
SubodhKnautiyal:
but how to find the coordinates of point D
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