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<http://schema.org/text>
"Answer the given question with proper steps :\n\nQ If A(-2,1) B(a,0), C(4,b) and D(1,2) are the vertices of a\nparallelogram ABCD, find the values of a and b Hence find the\nlengths of its sides"
<https://www.meritnation.com/ask-answer/question/answer-the-given-question-with-proper-steps-q-if-a-2-1-b-a-0/coordinate-geometry/12548513>