Year 11 locus question please show all working (1 Viewer)

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Q1Sketch the locus of all points that are 1 unit from the square with centre the origin and vertices A(1,1), B (-1,1), C(-1,-1) and D(1,-1)

Q2. Find the locus of all points equidistant from the three points A(3,0), B(0,9) and C(7,8).